Part 53

Pol`y*an"dric (?), a. [Cf. polyandrique.] Pertaining to, or characterized by, polyandry; mating with several males. "Polyandric societies." H. Spencer.

Pol`y*an"drous (?), a. (Bot.) Belonging to the class Polyandria; having many stamens, or any number above twenty, inserted in the receptacle.

Pol`y*an"dry (?), n. [Poly- + Gr. &?;, &?;, man, male: cf. F. polyandrie.] The possession by a woman of more than one husband at the same time; -- contrasted with monandry.

In law, this falls under the head of polygamy.

Pol`y*an"thus (?), n.; pl. Polyanthuses (#). [NL., fr. Gr. &?; rich in flowers; poly`s many + &?; flower.] [Written also polyanthos.] (Bot.) (a) The oxlip. So called because the peduncle bears a many-flowered umbel. See Oxlip. (b) A bulbous flowering plant of the genus Narcissus (N. Tazetta, or N. polyanthus of some authors). See Illust. of Narcissus.

Pol"y*ar`chist (?), n. One who advocates polyarchy; -- opposed to monarchist. Cudworth.

Pol"y*ar`chy (?), n. [Poly- + -archy: cf. F. polyarchie. Cf. Polarchy.] A government by many persons, of whatever order or class. Cudworth.

Pol`y*a*tom"ic (?), a. [Poly- + atomic.] (Chem.) (a) Having more than one atom in the molecule; consisting of several atoms. (b) Having a valence greater than one. [Obs.]

Pol`y*au*tog"ra*phy (?), n. [Poly- + autography.] The act or practice of multiplying copies of one's own handwriting, or of manuscripts, by printing from stone, -- a species of lithography.

Pol`y*ba"sic (?), a. [Poly- + basic.] (Chem.) Capable of neutralizing, or of combining with, several molecules of a monacid base; having several hydrogen atoms capable of being replaced by basic radicals; -- said of certain acids; as, sulphuric acid is polybasic.

Pol`y*ba"site (?), n. [See Polybasic.] (Min.) An iron-black ore of silver, consisting of silver, sulphur, and antimony, with some copper and arsenic.

||Pol`y*bran"chi*a (?), n. pl. [NL. See Poly-, and Branchia.] (Zoˆl.) A ||division of Nudibranchiata including those which have numerous ||branchiÊ on the back.

Pol`y*bro"mide (?), n. [Poly- + bromide.] (Chem.) A bromide containing more than one atom of bromine in the molecule.

Pol`y*car"pel*la*ry (?), a. (Bot.) Composed of several or numerous carpels; -- said of such fruits as the orange.

{ Pol`y*car"pic (?), Pol`y*car"pous (?), } a. [Poly- + Gr. &?; fruit.] (Bot.) (a) Bearing fruit repeatedly, or year after year. (b) Having several pistils in one flower.

||Pol`y*chÊ"ta (?), n. pl. [NL., from Gr. poly`s many + &?; hair.] ||(Zoˆl.) One of the two principal groups of ChÊtopoda. It includes ||those that have prominent parapodia and fascicles of setÊ. See ||Illust. under Parapodia.

Pol`y*chlo"ride (?), n. [Poly- + chloride.] (Chem.) A chloride containing more than one atom of chlorine in the molecule.

Pol`y*chúr"a*ny (?), n. [Gr. &?;, fr. &?; wide-ruling.] A government by many chiefs, princes, or rules. [Obs.] Cudworth.

Pol"y*chord (?), a. [Gr. &?;; poly`s many + &?; string, cord.] Having many strings.

Pol"y*chord, n. (Mus.) (a) A musical instrument of ten strings. (b) An apparatus for coupling two octave notes, capable of being attached to a keyed instrument.

Pol"y*chrest (?), n. [Gr. &?; useful for many purposes; poly`s many + &?; useful, fr. &?; to use: cf. F. polychreste.] (Med.) A medicine that serves for many uses, or that cures many diseases. [Obs.]

Polychrest salt (Old Med. Chem.), potassium sulphate, specifically obtained by fusing niter with sulphur.

Pol"y*chro*ism (?), n. [Poly- + Gr. &?; color.] Same as Pleochroism.

Pol"y*chro*ite (?), n. [Poly- + Gr. &?; color: cf. F. polychroÔte.] (Chem.) The coloring matter of saffron; -- formerly so called because of the change of color on treatment with certain acids; -- called also crocin, and safranin.

Pol`y*chro"mate (?), n. [See Polychromic.] (Chem.) A salt of a polychromic acid.

Pol`y*chro"mate, n. [See Polychromatic.] (Chem.) A compound which exhibits, or from which may be prepared, a variety of colors, as certain solutions derived from vegetables, which display colors by fluorescence.

Pol`y*chro*mat"ic (?), a. [Poly- + chromatic.] Showing a variety, or a change, of colors.

Polychromatic acid (Old Chem.), a substance obtained by the action of nitric acid on aloes.

Pol"y*chrome (?), n. [Poly- + Gr. &?; color.] (Chem.) Esculin; -- so called in allusion to its fluorescent solutions. [R.]

Pol"y*chrome, a. [Cf. F. polychrome.] Executed in the manner of polychromy; as, polychrome printing.

Pol`y*chro"mic (?), a. [Poly- + (sense 1) Gr. &?;, or (sense 2) chromic.] 1. Polychromatic.

2. (Chem.) Pertaining to, or designating, any one of several acids (known only in their salts) which contain more than one atom of chromium.

Pol`y*chro"mous (?), a. Of or pertaining to polychromy; many-colored; polychromatic.

Pol"y*chro`my (?), n. [Poly- + Gr. &?; color.] (Anc. Art) The art or practice of combining different colors, especially brilliant ones, in an artistic way.

Pol`y*chro"ni*ous (?), a. [Poly- + Gr. &?; for a long time, &?; time.] Enduring through a long time; chronic.

Pol`y*clin"ic (?), n. [Poly- + clinic.] (Med.) A clinic in which diseases of many sorts are treated; especially, an institution in which clinical instruction is given in all kinds of disease.

Pol`y*con"ic (?), a. [Poly- + conic.] Pertaining to, or based upon, many cones.

Polyconic projection (Map Making), a projection of the earth's surface, or any portion thereof, by which each narrow zone is projected upon a conical surface that touches the sphere along this zone, the conical surface being then unrolled. This projection differs from conic projection in that latter assumes but one cone for the whole map. Polyconic projection is that in use in the United States coast and geodetic survey.

Pol`y*cot`y*le"don (?), n. [Poly- + cotyledon: cf. F. polycotylÈdone.] (Bot.) A plant that has many, or more than two, cotyledons in the seed. -- Pol`y*cot`y*led"on*ous (#), a.

Pol`y*cot`y*led"on*a*ry (?), a. [Poly- + cotyledonary.] (Anat.) Having the villi of the placenta collected into definite patches, or cotyledons.

Po*lyc"ra*cy (?), n. [Poly- + -cracy, as in democracy.] Government by many rulers; polyarchy.

<! p. 1110 !>

Pol`y*crot"ic (pl`*krt"k), a. [Poly- + Gr. krotei^n to beat.] (Physiol.) Of or pertaining to polycrotism; manifesting polycrotism; as, a polycrotic pulse; a polycrotic pulse curve.

Po*lyc"ro*tism (?), n. (Physiol.) That state or condition of the pulse in which the pulse curve, or sphygmogram, shows several secondary crests or elevations; -- contrasted with monocrotism and dicrotism.

Pol`y*cys"tid (?), n. (Zoˆl.) (a) One of the Polycystidea. (b) One of the Polycystina. -- a. Pertaining to the Polycystidea, or the Polycystina.

||Pol`y*cys*tid"e*a (?), n. pl. [NL. See Poly-, and Cystidea.] (Zoˆl.) ||A division of GregarinÊ including those that have two or more ||internal divisions of the body.

||Pol`y*cys*ti"na (?), n. pl. [NL. See Poly-, and Cyst.] (Zoˆl.) A ||division of Radiolaria including numerous minute marine species. The ||skeleton is composed of silica, and is often very elegant in form and ||sculpture. Many have been found in the fossil state.

Pol`y*cys"tine (?), a. (Zoˆl.) Pertaining to the Polycystina. -- n. One of the Polycystina.

||Pol`y*cyt*ta"ri*a (?), n. pl. [NL., fr. Gr. poly`s many + &?;, dim. ||fr. &?; a hollow vessel.] (Zoˆl.) A division of Radiolaria. It ||includes those having one more central capsules.

Pol`y*dac"tyl*ism (?), n. [Poly- + Gr. &?; finger: cf. F. polydactylisme.] (Anat.) The possession of more that the normal number of digits.

||Pol`y*dip"si*a (?), n. [NL., fr. Gr. poly`s much + &?; thirst.] ||(Med.) Excessive and constant thirst occasioned by disease.

Pol`y*e"dron (?), n. See Polyhedron.

Pol`y*e"drous (?), a. See Polyhedral.

Pol`y*ei"dic (?), a. [Poly- + Gr. &?; form.] (Zoˆl.) Passing through several distinct larval forms; -- having several distinct kinds of young.

Pol`y*ei"dism (?), n. (Zoˆl.) The quality or state of being polyeidic.

Pol`y*em"bry*o*nate (?), a. [Poly- + embryonate.] (Bot.) Consisting of, or having, several embryos; polyembryonic.

Pol`y*em`bry*on"ic (?), a. [Poly- + embryonic.] (Bot.) Polyembryonate.

Pol`y*em"bry*o*ny (?), n. [See Poly- , and Embryo.] (Bot.) The production of two or more embryos in one seed, due either to the existence and fertilization of more than one embryonic sac or to the origination of embryos outside of the embryonic sac.

Pol"y*foil (?), n. [Poly- + foil, n.] (Arch.) Same as Multifoil.

||Po*lyg"a*la (?), n. [L., milkwort, fr. Gr. &?;; poly`s much + &?; ||milk.] A genus of bitter herbs or shrubs having eight stamens and a ||two-celled ovary (as the Seneca snakeroot, the flowering wintergreen, ||etc.); milkwort.

Pol`y*ga*la"ceous (?), a. Of or pertaining to a natural order of plants (PolygalaceÊ) of which Polygala is the type.

Po*lyg"a*lic (?), a. (Chem.) Of, pertaining to, or obtained from, Polygala; specifically, designating an acrid glucoside (called polygalic acid, senegin, etc.), resembling, or possibly identical with, saponin.

||Pol`y*ga"mi*a (?), n. pl. [NL. See Polygamous.] (Bot.) (a) A LinnÊan ||class of plants, characterized by having both hermaphrodite and ||unisexual flowers on the same plant. (b) A name given by LinnÊus to ||file orders of plants having syngenesious flowers.

Pol`y*ga"mi*an (?), a. (Bot.) Polygamous.

Po*lyg"a*mist (?), n. [Cf. F. polygamiste, polygame, Gr. &?;, a.] One who practices polygamy, or maintains its lawfulness.

Po*lyg"a*mize (?), v. i. To practice polygamy; to marry several wives. Sylvester. Coleridge.

Po*lyg"a*mous (?), a. [Gr. &?; living &?; polygamy; poly`s many + &?; marriage. Cf. Bigamy.]

1. Of or pertaining to polygamy; characterized by, or involving, polygamy; having a plurality of wives; as, polygamous marriages; -- opposed to monogamous.

2. (Zoˆl.) Pairing with more than one female.

Most deer, cattle, and sheep are polygamous.

Darwin.

3. (Bot.) Belonging to the Polygamia; bearing both hermaphrodite and unisexual flowers on the same plant.

Po*lyg"a*my (?), n. [Gr. &?;; cf. F. polygamie.] 1. The having of a plurality of wives or husbands at the same time; usually, the marriage of a man to more than one woman, or the practice of having several wives, at the same time; -- opposed to monogamy; as, the nations of the East practiced polygamy. See the Note under Bigamy, and cf. Polyandry.

2. (Zoˆl.) The state or habit of having more than one mate.

3. (Bot.) The condition or state of a plant which bears both perfect and unisexual flowers.

Pol`y*gas"tri*an (pl`*gs"tr*an), n. (Zoˆl.) One of the Polygastrica. [Obs.]

Pol`y*gas"tric (-trk), a. [Poly- + gastric: cf. F. polygastrique.] 1. (Anat.) Having several bellies; -- applied to muscles which are made up of several bellies separated by short tendons.

2. (Zoˆl.) Pertaining to the Polygastrica. [Obs.]

Pol`y*gas"tric (pl`*gs"trk), n. (Zoˆl.) One of the Polygastrica.

||Pol`y*gas"tri*ca (-tr*k), n. pl. [NL. So called because they were ||supposed to have several stomachs, or digestive cavities.] (Zoˆl.) ||The Infusoria. [Obs.]

{ Pol`y*gen"e*sis (-jn"*ss), Po*lyg"e*ny (p*lj"*n), } n. [Poly- + genesis, or root of Gr. gi`gnesqai to be born.] (Biol.) The theory that living organisms originate in cells or embryos of different kinds, instead of coming from a single cell; -- opposed to monogenesis.

Pol`y*ge*net"ic (?), a. 1. Having many distinct sources; originating at various places or times.

2. (Biol.) Of or pertaining to polygenesis; polyphyletic.

Polygenetic mountain range (Geol.), one which is composite, or consists of two or more monogenetic ranges, each having had its own history of development. Dana.

Pol`y*gen"ic (-jn"k), a. (Biol.) Of or relating to polygeny; polygenetic.

Po*lyg"e*nism (p*lj"*nz'm), n. [Cf. F. polygÈnisme.] (Biol.) The doctrine that animals of the same species have sprung from more than one original pair.

Po*lyg"e*nist (-nst), n. (Biol.) One who maintains that animals of the same species have sprung from more than one original pair; -- opposed to monogenist.

Po*lyg"e*nous (?), a. [Poly- + -genous: cf. Gr. &?; of many families.] Consisting of, or containing, many kinds; as, a polygenous mountain. Kirwan.

Pol"y*glot (?), a. [Gr. poly`glwttos many-tongued; poly`s many + glw^tta, glw^ssa, tongue, language: cf. F. polyglotte.] 1. Containing, or made up, of, several languages; as, a polyglot lexicon, Bible.

2. Versed in, or speaking, many languages.

Pol"y*glot, n. 1. One who speaks several languages. [R.] "A polyglot, or good linguist." Howell.

2. A book containing several versions of the same text, or containing the same subject matter in several languages; esp., the Scriptures in several languages.

Enriched by the publication of polyglots.

Abp. Newcome.

Pol`y*glot"tous (?), a. [See Polyglot.] Speaking many languages; polyglot. [R.] "The polyglottous tribes of America." Max M¸ller.

Pol"y*gon (?), n. [Gr. poly`gwnos polygonal; poly`s many + gwni`a angle: cf. F. polygone.] (Geom.) A plane figure having many angles, and consequently many sides; esp., one whose perimeter consists of more than four sides; any figure having many angles.

Polygon of forces (Mech.), a polygonal figure, the sides of which, taken successively, represent, in length and direction, several forces

## acting simultaneously upon one point, so that the side necessary to

complete the figure represents the resultant of those forces. Cf. Parallelogram of forces, under Parallelogram.

Pol`y*go*na"ceous (?), a. [See Polygonum.] (Bot.) Of or pertaining to a natural order of apetalous plants (PolygonaceÊ), of which the knotweeds (species of Polygonum) are the type, and which includes also the docks (Rumex), the buckwheat, rhubarb, sea grape (Coccoloba), and several other genera.

Po*lyg"o*nal (?), a. Having many angles.

Polygonal numbers, certain figurate numbers. See under Figurate.

Pol`y*go*neu"tic (?), a. [Poly- + Gr. &?; offspring.] (Zoˆl.) Having two or more broods in a season.

Pol`y*go*nom"e*try (?), n. [Polygon + -metry.] The doctrine of polygons; an extension of some of the principles of trigonometry to the case of polygons.

Po*lyg"o*nous (?), a. Polygonal.

||Po*lyg"o*num (?), n. [NL., fr. Gr. &?; a kind of plant; poly`s many + ||go`ny the knee, a joint of a plant. So called in allusion to the ||numerous joints.] (Bot.) A genus of plants embracing a large number ||of species, including bistort, knotweed, smartweed, etc.

Po*lyg"o*ny (?), n. (Bot.) Any plant of the genus Polygonum.

||Pol`y*gor"di*us (?), n. [NL. See Poly-, and Gordius.] (Zoˆl.) A genus ||of marine annelids, believed to be an ancient or ancestral type. It ||is remarkable for its simplicity of structure and want of parapodia. ||It is the type of the order Archiannelida, or Gymnotoma. See Loeven's ||larva.

Pol"y*gram (?), n. [Gr. &?; marked with many stripes; poly`s many + &?; a line.] A figure consisting of many lines. [R.] Barlow.

Pol"y*graph (?), n. [Gr. &?; writing much; poly`s much, many + &?; to write: cf. F. polygraphe.] 1. An instrument for multiplying copies of a writing; a manifold writer; a copying machine.

2. In bibliography, a collection of different works, either by one or several authors. Brande & C.

{ Pol`y*graph"ic (?), Pol`y*graph"ic*al (?), } a. [Cf. F. polygraphique.] Pertaining to, or employed in, polygraphy; as, a polygraphic instrument.

2. Done with a polygraph; as, a polygraphic copy.

Po*lyg"ra*phy (?), n. [Gr. &?;; poly`s much + gra`fein to write: cf. F. polygraphie.] 1. Much writing; writing of many books. [Obs.] Fuller.

2. The art of writing in various ciphers, and of deciphering the same. [R.]

3. The art or practice of using a polygraph.

Pol"y*grooved` (?), a. [Poly- + groove.] Having many grooves; as, a polygrooved rifle or gun (referring to the rifling).

Pol"y*gyn (?), n. [Cf. F. polygyne. See Polygyny.] (Bot.) A plant of the order Polygynia.

||Pol`y*gyn"i*a (?), n. pl. [NL. See Polygyny.] (Bot.) A LinnÊan order ||of plants having many styles.

{ Pol`y*gyn"i*an (?), Po*lyg"y*nous (?), } a. (Bot.) Having many styles; belonging to the order Polygynia.

Po*lyg"y*nist (?), n. One who practices or advocates polygyny. H. Spenser.

Po*lyg"y*ny (?), n. [Poly- + Gr. &?; woman, wife.] The state or practice of having several wives at the same time; marriage to several wives. H. Spenser.

Pol`y*ha"lite (?), n. [Poly- + Gr. &?; salt.] (Min.) A mineral usually occurring in fibrous masses, of a brick-red color, being tinged with iron, and consisting chiefly of the sulphates of lime, magnesia, and soda.

{ Pol`y*he"dral (?), Pol`y*hed"ric*al (?), } a. [See Polyhedron.] (Geom.) Having many sides, as a solid body.

Polyhedral angle, an angle bounded by three or more plane angles having a common vertex.

Pol`y*he"dron (?), n.; pl. E. Polyhedrons. (#), L. Polyhedra (#). [NL., fr. Gr. &?; with many seats or sides; poly`s many + &?; a seat or side: cf. F. polyËdre.] 1. (Geom.) A body or solid contained by many sides or planes.

2. (Opt.) A polyscope, or multiplying glass.

Pol`y*he"drous (?), a. Polyhedral.

Pol`y*his"tor (?), n. [Gr. &?; very learned.] One versed in various learning. [R.]

Pol`y*hym"ni*a (?), n. [L., from Gr. &?;; poly`s many + &?; hymn.] (Anc. Myth.) The Muse of lyric poetry.

Pol`y*i"o*dide (?), n. (Chem.) A iodide having more than one atom of iodine in the molecule.

Po*lyl"o*gy (?), n. [Gr. &?;; poly`s much + &?; discourse.] Talkativeness. [R.]

Po*lyl"o*quent (?), a. [Poly- + L. loquens, p. pr. of logui to speak.] Garrulous; loquacious. [R.]

Pol`y*mas"tism (?), n. [Poly- + Gr. &?; a breast.] (Anat.) The condition of having more than two mammÊ, or breasts.

Pol`y*math"ic (?), a. [Cf. F. polymathique. See Polymathy.] Pertaining to polymathy; acquainted with many branches of learning.

Po*lym"a*thist (?), n. One versed in many sciences; a person of various learning.

Po*lym"a*thy (?), n. [Gr. &?;; poly`s much + &?;, &?;, to learn.] The knowledge of many arts and sciences; variety of learning. Johnson.

Pol`y*me*nis"cous (?), a. [See Poly- , and Meniscus.] (Zoˆl.) Having numerous facets; -- said of the compound eyes of insects and crustaceans.

Pol"y*mer (?), n. [See Polymeric.] (Chem.) Any one of two or more substances related to each other by polymerism; specifically, a substance produced from another substance by chemical polymerization. [Formerly also written polymere.]

Pol`y*mer"ic (?), a. [Poly- + Gr. &?; part.] (Chem.) Having the same percentage composition (that is, having the same elements united in the same proportion by weight), but different molecular weights; -- often used with with; thus, cyanic acid (CNOH), fulminic acid (C2N2O2H2), and cyanuric acid (C3N3O3H3), are polymeric with each other.

The figures expressing the number of atoms of each element in a number of polymeric substances are respectively multiples and factors of each other, or have some simple common divisor. The relation may be merely a numerical one, as in the example given above, or a chemical one, as in the case of aldehyde, paraldehyde, and metaldehyde.

Po*lym"er*ism (?), n. (Chem.) (a) The state, quality, or relation of two or more polymeric substances. (b) The act or process of forming polymers.

Pol`y*mer`i*za"tion (?), n. (Chem.) The act or process of changing to a polymeric form; the condition resulting from such change.

Pol"y*mer*ize (?), v. t. (Chem.) To cause polymerization of; to produce polymers from; to increase the molecular weight of, without changing the atomic proportions; thus, certain acids polymerize aldehyde.

Pol"y*mer*ize, v. i. (Chem.) To change into another substance having the same atomic proportions, but a higher molecular weight; to undergo polymerization; thus, aldehyde polymerizes in forming paraldehyde.

Po*lym"er*ous (?), a. 1. (Bot.) Having many parts or members in each set. Gray.

2. (Chem.) Polymeric. [Obs.]

Po*lym"ni*a (?), n. See Polyhymnia.

Pol"ym*nite (?), n. [Gr. &?; full of moss; poly`s much + &?; moss.] (Min.) A stone marked with dendrites and black lines, and so disposed as to represent rivers, marshes, etc.

Pol"y*morph (?), n. [Gr. &?; multiform; poly`s many + &?; form: cf. F. polymorphe.] (Crystallog.) A substance capable of crystallizing in several distinct forms; also, any one of these forms. Cf. Allomorph.

Pol`y*mor"phic (?), a. Polymorphous.

Pol`y*mor"phism (?), n. 1. (Crystallog.) Same as Pleomorphism.

2. (Biol.) (a) The capability of assuming different forms; the capability of widely varying in form. (b) Existence in many forms; the coexistence, in the same locality, of two or more distinct forms independent of sex, not connected by intermediate gradations, but produced from common parents.

||Pol`y*mor*pho"sis (?), n. [NL. See Poly-, and Morphosis.] (Zoˆl.) The ||assumption of several structural forms without a corresponding ||difference in function; -- said of sponges, etc.

Pol`y*mor"phous (?), a. 1. Having, or assuming, a variety of forms, characters, or styles; as, a polymorphous author. De Quincey.

2. (Biol.) Having, or occurring in, several distinct forms; -- opposed to monomorphic.

<! p. 1111 !>

Pol"y*mor`phy (?), n. Existence in many forms; polymorphism.

Po`ly-moun"tain (?), n. (Bot.) (a) Same as Poly, n. (b) The closely related Teucrium montanum, formerly called Polium montanum, a plant of Southern Europe. (c) The Bartsia alpina, a low purple-flowered herb of Europe.

||Pol`y*my"o*dÊ (?), n. pl. [NL. See Polymyoid.] (Zoˆl.) Same as ||Oscines.

Pol`y*my"o*dous (?), a. (Zoˆl.) Polymyoid.

Po*lym"y*oid (?), a. [Poly- + Gr. &?;, &?;, muscle + -oid.] (Zoˆl.) Having numerous vocal muscles; of or pertaining to the PolymyodÊ.

Pol"y*neme (?), n. [Poly- + Gr. &?; thread.] (Zoˆl.) Any one of numerous species of tropical food fishes of the family PolynemidÊ. They have several slender filaments, often very long, below the pectoral fin. Some of them yield isinglass of good quality. Called also threadfish.

Pol`y*ne"moid (?), a. [Polyneme + -oid.] (Zoˆl.) Of or pertaining to the polynemes, or the family PolynemidÊ.

Pol`y*ne"sian (?), a. Of or pertaining to Polynesia (the islands of the eastern and central Pacific), or to the Polynesians.

Pol`y*ne"sians (?), n. pl.; sing. Polynesian. (Ethnol.) The race of men native in Polynesia.

Po*lyn"i*a (?), n. [Russ. poluineia a warm place in water, i. e., a place which does not freeze.] The open sea supposed to surround the north pole. Kane.

Pol`y*no"mi*al (?), n. [Poly- + -nomial, as in monomial, binomial: cf. F. polynÙme.] (Alg.) An expression composed of two or more terms, connected by the signs plus or minus; as, a2 - 2ab + b2.

Pol`y*no"mi*al, a. 1. Containing many names or terms; multinominal; as, the polynomial theorem.

2. Consisting of two or more words; having names consisting of two or more words; as, a polynomial name; polynomial nomenclature.

Pol`y*nu"cle*ar (?), a. [Poly- + nuclear.] (Biol.) Containing many nuclei.

Pol`y*nu*cle"o*lar (?), a. [Poly- + nucleolar.] (Biol.) Having more than one nucleolus.

Pol`y*om"ma*tous (?), a. [Poly- + Gr. &?;, &?;, the eye.] Having many eyes.

Pol`y*on"o*mous (?), a. [Poly- + Gr. &?;, &?;, name: cf. Gr. &?;.] Having many names or titles; polyonymous. Sir W. Jones.

Pol`y*on"o*my (?), n. [Cf. Gr. &?; a multitude of names.] The use of a variety of names for the same object. G. S. Faber.

Pol"y*o*nym (?), n. 1. An object which has a variety of names.

2. A polynomial name or term.

Pol`y*on"y*mous, a. Polyonomous.

{ Pol`y*op"tron (?), Pol`y*op"trum (?), } n. [NL., from Gr. poly`s many + &?; seen.] (Opt.) A glass through which objects appear multiplied, but diminished in size. [R.]

Pol`y*o*ra"ma (?), n. [Poly- + Gr. &?; a sight, view.] A view of many objects; also, a sort of panorama with dissolving views.

Pol"yp (?), n. [L. polypus, Gr. &?;, &?;, literally, many-footed; poly`s many + &?;, &?;, foot: cf. F. polype. See Poly- and Foot, and cf. Polypode, Polypody, Poulp.] (Zoˆl.) (a) One of the feeding or nutritive zooids of a hydroid or coral. (b) One of the Anthozoa. (c) pl. Same as Anthozoa. See Anthozoa, Madreporaria, Hydroid. [Written also polype.]

Fresh-water polyp, the hydra. -- Polyp stem (Zoˆl.), that portion of the stem of a siphonophore which bears the polypites, or feeding zooids.

Po*lyp"a*rous (?), a. [Poly- + L. parere to produce.] Producing or bearing a great number; bringing forth many.

Pol"y*pa*ry (?), n.; pl. Polyparies (#). [See Polyp.] (Zoˆl.) Same as Polypidom.

Pol"ype (?), n. [F.] (Zoˆl.) See Polyp.

Pol`y*pe"an (?), a. (Zoˆl.) Of or pertaining to a polyp, or polyps.

Pol`y*pe*ryth"rin (?), n. [Polyp + Gr. &?; red.] (Physiol. Chem.) A coloring matter found in many simple Anthozoa and some hydroids.

Pol`y*pet"al*ous (?), a. [Poly- + petal.] (Bot.) Consisting of, or having, several or many separate petals; as, a polypetalous corolla, flower, or plant. Martyn.

Po*lyph"a*gous (?), a. [L. polyphagus, Gr. &?;; poly`s much, many + &?; to eat: cf. F. polyphage.] Eating, or subsisting on, many kinds of food; as, polyphagous animals.

Po*lyph""a*gy (?), n. The practice or faculty of subsisting on many kinds of food.

Pol`y*phar"ma*cy (?), n. [Poly- + Gr. &?; the using of medicine, fr. &?; medicine: cf. F. polypharmacie.] (Med.) (a) The act or practice of prescribing too many medicines. (b) A prescription made up of many medicines or ingredients. Dunglison.