Part 32

"Philosophy has been defined: tionscience of things divine and human, and the causes in which they are contained; -- the science of effects by their causes; -- the science of sufficient reasons; -- the science of things possible, inasmuch as they are possible; -- the science of things evidently deduced from first principles; -- the science of truths sensible and abstract; -- the application of reason to its legitimate objects; -- the science of the relations of all knowledge to the necessary ends of human reason; -- the science of the original form of the ego, or mental self; -- the science of science; -- the science of the absolute; -- the scienceof the absolute indifference of the ideal and real." Sir W. Hamilton.

2. A particular philosophical system or theory; the hypothesis by which

## particular phenomena are explained.

[Books] of Aristotle and his philosophie.

Chaucer.

We shall in vain interpret their words by the notions of our philosophy and the doctrines in our school.

Locke.

3. Practical wisdom; calmness of temper and judgment; equanimity; fortitude; stoicism; as, to meet misfortune with philosophy.

Then had he spent all his philosophy.

Chaucer.

4. Reasoning; argumentation.

Of good and evil much they argued then, . . . Vain wisdom all, and false philosophy.

Milton.

5. The course of sciences read in the schools. Johnson.

6. A treatise on philosophy.

Philosophy of the Academy, that of Plato, who taught his disciples in a grove in Athens called the Academy. -- Philosophy of the Garden, that of Epicurus, who taught in a garden in Athens. -- Philosophy of the Lyceum, that of Aristotle, the founder of the Peripatetic school, who delivered his lectures in the Lyceum at Athens. -- Philosophy of the Porch, that of Zeno and the Stoics; -- so called because Zeno of Citium and his successors taught in the porch of the Poicile, a great hall in Athens.

Phil`o*stor"gy (?), n. [Gr. &?;; &?; loving + &?; affection.] Natural affection, as of parents for their children. [R.]

{ Phil`o*tech"nic (?), Phil`o*tech"nic*al (?), } a. [Philo- + Gr. &?; an art: cf. F. philotechnique.] Fond of the arts. [R.]

Phil"ter (?), n. [F. philtre, L. philtrum, Gr. &?;, fr. &?; to love, &?; dear, loving.] A potion or charm intended to excite the passion of love. [Written also philtre.] Addison.

Phil"ter, v. t. [imp. & p. p. Philtered (?); p. pr. & vb. n. Philtering.] 1. To impregnate or mix with a love potion; as, to philter a draught.

2. To charm to love; to excite to love or sexual desire by a potion. Gov. of Tongue.

||Phi*mo"sis (?), n. [NL., fr. Gr. &?; a muzzling, fr. &?; muzzle.] ||(Med.) A condition of the penis in which the prepuce can not be drawn ||back so as to uncover the glans penis.

Phi"ton*ess (?), n. Pythoness; witch. [Obs.]

Phiz (?), n.; pl. Phizes (#). [Contr. fr. physiognomy.] The face or visage. [Colloq.] Cowper.

||Phle*bi"tis (?), n. [NL., fr. Gr. &?;, &?;, a vein + -itis.] (Med.) ||Inflammation of a vein.

Phleb"o*gram (?), n. [Gr. &?;, &?; + -gram.] (Physiol.) A tracing (with the sphygmograph) of the movements of a vein, or of the venous pulse.

{ Phleb"o*lite (?), Phleb"o*lith (?), } n. [Gr. &?;, &?;, a vein + -lite, - lith.] (Med.) A small calcareous concretion formed in a vein; a vein stone.

Phle*bol"o*gy (?), n. [Gr. &?;, &?;, a vein + -logy.] A branch of anatomy which treats of the veins.

Phle*bot"o*mist (?), n. [Cf. F. phlÈbotomiste.] (Med.) One who practiced phlebotomy.

Phle*bot"o*mize (?), v. t. [imp. & p. p. Phlebotomized (?); p. pr. & vb. n. Phlebotomizing (?).] [Cf. F. phlÈbotomiser.] To let blood from by opening a vein; to bleed. [R.] Howell.

Phle*bot"o*my (?), n. [L. phlebotomia, Gr. &?;; &?;, &?;, a vein + &?; to cut: cf. F. phlÈbotomie. Cf. Fleam.] (Med.) The act or practice of opening a vein for letting blood, in the treatment of disease; venesection; bloodletting.

Phlegm (?), n. [F. phlegme, flegme, L. phlegma, fr. Gr. &?; a flame, inflammation, phlegm, a morbid, clammy humor in the body, fr. &?; to burn. Cf. Phlox, Flagrant, Flame, Bleak, a., and Fluminate.] 1. One of the four humors of which the ancients supposed the blood to be composed. See Humor. Arbuthnot.

2. (Physiol.) Viscid mucus secreted in abnormal quantity in the respiratory and digestive passages.

3. (Old Chem.) A watery distilled liquor, in distinction from a spirituous liquor. Crabb.

4. Sluggishness of temperament; dullness; want of interest; indifference; coldness.

They judge with fury, but they write with phlegm.

Pope.

Phleg"ma*gogue (?), n. [Gr. &?; carrying of phlegm; &?; phlegm + &?; to lead.] (Old Med.) A medicine supposed to expel phlegm.

||Phleg*ma"si*a (?), n. [NL., from Gr. &?;. See Phlegm.] (Med.) An ||inflammation; more particularly, an inflammation of the internal ||organs.

||Phlegmasia dolens (d"lnz) [NL.], milk leg.

Phleg*mat"ic (?), a. [L. phlegmaticus, Gr. &?;: cf. F. phlegmatique.] 1. Watery. [Obs.] "Aqueous and phlegmatic." Sir I. Newton.

2. Abounding in phlegm; as, phlegmatic humors; a phlegmatic constitution. Harvey.

3. Generating or causing phlegm. "Cold and phlegmatic habitations." Sir T. Browne.

4. Not easily excited to action or passion; cold; dull; sluggish; heavy; as, a phlegmatic person. Addison.

Phlegmatic temperament (Old Physiol.), lymphatic temperament. See under Lymphatic.

Phleg*mat"ic*al (?), a. Phlegmatic. Ash.

Phleg*mat"ic*al*ly, adv. In a phlegmatic manner.

Phleg*mat"ic*ly (?), a. Phlegmatically. [Obs.]

Phleg"mon (?), n. [L. phlegmone, phlegmon, inflammation beneath the skin, Gr. &?;, fr. &?; to burn: cf. F. phlegmon.] (Med.) Purulent inflammation of the cellular or areolar tissue.

Phleg"mon*ous (?), a. [Cf. F. phlegmoneux.] Having the nature or properties of phlegmon; as, phlegmonous pneumonia. Harvey.

Phleme (?), n. (Surg. & Far.) See Fleam.

||Phle"um (?), n. [NL., fr. Gr. &?; a kind of marsh plant.] (Bot.) A ||genus of grasses, including the timothy (Phleum pratense), which is ||highly valued for hay; cat's-tail grass. Gray.

Phlo"Îm (?), n. [Gr. &?; bark.] (Bot.) That portion of fibrovascular bundles which corresponds to the inner bark; the liber tissue; -- distinguished from xylem.

Phlo*gis"tian (?), n. A believer in the existence of phlogiston.

Phlo*gis"tic (?), a. 1. (Old Chem.) Of or pertaining to phlogiston, or to belief in its existence.

2. (Med.) Inflammatory; belonging to inflammations and fevers.

Phlo*gis"tic*al (?), a. (Old Chem.) Phlogistic.

Phlo*gis"ti*cate (?), v. t. [imp. & p. p. Phlogisticated (?); p. pr. & vb. n. Phlogisticating.] (Old Chem.) To combine phlogiston with; -- usually in the form and sense of the p. p. or the adj.; as, highly phlogisticated substances.

Phlo*gis`ti*ca"tion (?), n. (Old Chem.) The act or process of combining with phlogiston.

Phlo*gis"ton (?), n. [NL., fr. Gr. &?; burnt, set on fire, fr. &?; to set on fire, to burn, fr. &?;, &?;, a flame, blaze. See Phlox.] (Old Chem.) The hypothetical principle of fire, or inflammability, regarded by Stahl as a chemical element.

This was supposed to be united with combustible (phlogisticated) bodies and to be separated from incombustible (dephlogisticated) bodies, the phenomena of flame and burning being the escape of phlogiston. Soot and sulphur were regarded as nearly pure phlogiston. The essential principle of this theory was, that combustion was a decomposition rather than the union and combination which it has since been shown to be.

Phlo*gog"e*nous (?), a. [Gr. &?;, &?; fire + -genous.] (Med.) Causing inflammation.

Phlog"o*pite (?), n. [Gr. &?; firelike.] (Min.) A kind of mica having generally a peculiar bronze- red or copperlike color and a pearly luster. It is a silicate of aluminia, with magnesia, potash, and some fluorine. It is characteristic of crystalline limestone or dolomite and serpentine. See Mica.

||Phlo*go"sis (?), n. [NL., fr. Gr. &?; burning heat.] (Med.) ||Inflammation of external parts of the body; erysipelatous ||inflammation.

Phlo*got"ic (?), n. (Med.) Of or pertaining to phlogisis.

Phlo*ram"ine (?), n. [Phlorlucin + amine.] (Chem.) A basic amido derivative of phloroglucin, having an astringent taste.

Phlo*ret"ic (?), a. (Chem.) Pertaining to, or derived from, or designating, an organic acid obtained by the decomposition of phloretin.

Phlor"e*tin (?), n. [From Phlorizin.] (Chem.) A bitter white crystalline substance obtained by the decomposition of phlorizin, and formerly used to some extent as a substitute for quinine.

Phlor"i*zin (?), n. [Gr. &?;, &?;, bark + &?; root.] (Chem.) A bitter white crystalline glucoside extracted from the root bark of the apple, pear, cherry, plum, etc. [Formerly also written phloridzin.]

Phlor`o*glu"cin (?), n. [Phloretin + Gr. &?; sweet.] (Chem.) A sweet white crystalline substance, metameric with pyrogallol, and obtained by the decomposition of phloretin, and from certain gums, as catechu, kino, etc. It belongs to the class of phenols. [Called also phloroglucinol.]

Phlo"rol (?), n. [Phloretic + -ol.] (Chem.) A liquid metameric with xylenol, belonging to the class of phenols, and obtained by distilling certain salts of phloretic acid.

Phlo"rone (?), n. [Phlorol + quinone.] (Chem.) A yellow crystalline substance having a peculiar unpleasant odor, resembling the quinones, and obtained from beechwood tar and coal tar, as also by the oxidation of xylidine; -- called also xyloquinone.

Phlox (?), n. [L., a kind of flower, fr. Gr. &?; flame, fr. &?; to burn.] (Bot.) A genus of American herbs, having showy red, white, or purple flowers.

Phlox worm (Zoˆl.), the larva of an American moth (Heliothis phloxiphaga). It is destructive to phloxes. -- Phlox subulata, the moss pink. See under Moss.

Phlyc*ten"u*lar (?), a. [Gr. &?; a blister or pustule.] (Med.) Characterized by the presence of small pustules, or whitish elevations resembling pustules; as, phlyctenular ophthalmia.

||Pho"ca (?), n. [L., a seal, fr. Gr. &?;.] (Zoˆl.) A genus of seals. ||It includes the common harbor seal and allied species. See Seal.

Pho*ca"cean (?), n. (Zoˆl.) Any species of Phoca; a seal.

Pho"cal (?), a. (Zoˆl.) Pertaining to seals.

Pho*cen"ic (?), a. [Gr. &?; a porpoise.] (Chem.) Of or pertaining to dolphin oil or porpoise oil; - - said of an acid (called also delphinic acid) subsequently found to be identical with valeric acid. Watts.

Pho*ce"nin (?), n. [Cf. F. phocÈnine.] (Chem.) See Delphin.

<! p. 1078 !>

Pho"cine (?), a. [L. phoca a seal.] (Zoˆl.) Of or pertaining to the seal tribe; phocal.

Pho"co*dont (?), n. (Zoˆl.) One of the Phocodontia.

||Pho`co*don"ti*a (?), n. pl. [NL., fr. Gr. &?; a seal + &?;, &?;, a ||tooth.] (Zoˆl.) A group of extinct carnivorous whales. Their teeth ||had compressed and serrated crowns. It includes Squalodon and allied ||genera.

Phú"be (?), n. (Zoˆl.) The pewee, or pewit.

Phú"bus (?), n. [L., fr. Gr. &?;, fr. &?; pure, bright.] 1. (Class. Myth.) Apollo; the sun god.

2. The sun. "Phúbus 'gins arise." Shak.

Phú*ni"cian (?), a. Of or pertaining to Phúnica. -- n. A native or inhabitant of Phúnica.

Phú*ni"cious (?), a. See Phenicious.

||Phú`ni*cop"te*rus (?), n. [NL. See Phenicopter.] (Zoˆl.) A genus of ||birds which includes the flamingoes.

||Phú"nix (?), n. [L., a fabulous bird. See Phenix.] 1. Same as Phenix. ||Shak.

2. (Bot.) A genus of palms including the date tree.

Pho"lad (?), n. (Zoˆl.) Any species of Pholas.

Pho*la"de*an (?), n. (Zoˆl.) Pholad.

||Pho"las (?), n.; pl. Pholades (#). [NL., fr. Gr. &?;, &?;, a kind of ||mollusk.] (Zoˆl.) Any one of numerous species of marine bivalve ||mollusks of the genus Pholas, or family PholadidÊ. They bore holes ||for themselves in clay, peat, and soft rocks.

Pho"nal (?), a.[Gr. &?; the voice.] Of or relating to the voice; as, phonal structure. Max M¸ller.

Pho`nas*cet"ics (?), n. [Gr. &?; to practice the voice; &?; voice + &?; to practice.] Treatment for restoring or improving the voice.

Pho*na"tion (?), n. [Gr. &?; the voice.] The act or process by which articulate sounds are uttered; the utterance of articulate sounds; articulate speech.

Pho*nau"to*graph (?), n. [Phono- + Gr. &?; self + -graph.] (Physics) An instrument by means of which a sound can be made to produce a visible trace or record of itself. It consists essentially of a resonant vessel, usually of paraboloidal form, closed at one end by a flexible membrane. A stylus attached to some point of the membrane records the movements of the latter, as it vibrates, upon a moving cylinder or plate.

Pho*nei"do*scope (?), n. [Phono- + Gr. &?; form + -scope.] (Physics) An instrument for studying the motions of sounding bodies by optical means. It consists of a tube across the end of which is stretched a film of soap solution thin enough to give colored bands, the form and position of which are affected by sonorous vibrations.

Pho*net"ic (?), a. [Gr. &?;, fr. &?; a sound, tone; akin to Gr. &?; to speak: cf. F. phonÈtique. See Ban a proclamation.] 1. Of or pertaining to the voice, or its use.

2. Representing sounds; as, phonetic characters; -- opposed to ideographic; as, a phonetic notation.

Phonetic spelling, spelling in phonetic characters, each representing one sound only; -- contrasted with Romanic spelling, or that by the use of the Roman alphabet.

Pho*net"ic*al*ly, adv. In a phonetic manner.

Pho`ne*ti"cian (?), n. One versed in phonetics; a phonetist.

Pho*net"ics (?), n. 1. The doctrine or science of sounds; especially those of the human voice; phonology.

2. The art of representing vocal sounds by signs and written characters.

Pho"ne*tism (?), n. The science which treats of vocal sounds. J. Peile.

Pho"ne*tist (?), n. 1. One versed in phonetics; a phonologist.

2. One who advocates a phonetic spelling.

Pho`ne*ti*za"tion (?), n. The act, art, or process of representing sounds by phonetic signs.

Pho"ne*tize (?), v. t. To represent by phonetic signs. Lowell.

Phon"ic (?), a. [Gr. &?; sound: cf. F. phonique.] Of or pertaining to sound; of the nature of sound; acoustic. Tyndall.

Phon"ics (?), n. See Phonetics.

Pho"no- (?). A combining form from Gr. &?; sound, tone; as, phonograph, phonology.

Phono (?), n. (Zoˆl.) A South American butterfly (Ithonia phono) having nearly transparent wings.

Pho`no*camp"tic (?), a. [Phono- + Gr. &?; to bend: cf. F. phonocamptique.] Reflecting sound. [R.] "Phonocamptic objects." Derham.

Pho"no*gram (?), n. [Phono- + -gram.] 1. A letter, character, or mark used to represent a particular sound.

Phonograms are of three kinds: (1) Verbal signs, which stand for entire words; (2) Syllabic signs, which stand for the articulations of which words are composed; (3) Alphabetic signs, or letters, which represent the elementary sounds into which the syllable can be resolved.

I. Taylor (The Alphabet).

2. A record of sounds made by a phonograph.

Pho"no*graph (?), n. [Phono- + -graph.] 1. A character or symbol used to represent a sound, esp. one used in phonography.

2. (Physics) An instrument for the mechanical registration and reproduction of audible sounds, as articulate speech, etc. It consists of a rotating cylinder or disk covered with some material easily indented, as tinfoil, wax, paraffin, etc., above which is a thin plate carrying a stylus. As the plate vibrates under the influence of a sound, the stylus makes minute indentations or undulations in the soft material, and these, when the cylinder or disk is again turned, set the plate in vibration, and reproduce the sound.

Pho*nog"ra*pher (?), n. 1. One versed or skilled in phonography.

2. One who uses, or is skilled in the use of, the phonograph. See Phonograph, 2.

{ Pho`no*graph"ic (?), Pho`no*graph"ic*al (?), } a. [Cf. F. phonographique.] 1. Of or pertaining to phonography; based upon phonography.

2. Of or pertaining to phonograph; done by the phonograph.

Pho`no*graph"ic*al*ly, adv. In a phonographic manner; by means of phonograph.

Pho*nog"ra*phist (?), n. Phonographer.

Pho*nog"ra*phy (?), n. [Phono- + -graphy.] 1. A description of the laws of the human voice, or sounds uttered by the organs of speech.

2. A representation of sounds by distinctive characters; commonly, a system of shorthand writing invented by Isaac Pitman, or a modification of his system, much used by reporters.

The consonants are represented by straight lines and curves; the vowels by dots and short dashes; but by skilled phonographers, in rapid work, most vowel marks are omitted, and brief symbols for common words and combinations of words are extensively employed. The following line is an example of phonography, in which all the sounds are indicated: --

They also serve who only stand and wait.

Milton. 3. The art of constructing, or using, the phonograph.

Pho"no*lite (?), n. [Phono- + -lite: cf. F. phonolithe.] (Min.) A compact, feldspathic, igneous rock containing nephelite, ha¸ynite, etc. Thin slabs give a ringing sound when struck; -- called also clinkstone.

Pho*nol"o*ger (?), n. A phonologist.

{ Pho`no*log"ic (?), Pho`no*log"ic*al (?), } a. Of or pertaining to phonology.

Pho*nol"o*gist (?), n. One versed in phonology.

Pho*nol"o*gy (?), n. [Phono- + -logy.] The science or doctrine of the elementary sounds uttered by the human voice in speech, including the various distinctions, modifications, and combinations of tones; phonetics. Also, a treatise on sounds.

Pho*nom"e*ter (?), n. [Phono- + -meter.] (Physics) An instrument for measuring sounds, as to their intensity, or the frequency of the vibrations.

Pho`no*mo"tor (?), n. [Phono- + -motor.] (Physics) An instrument in which motion is produced by the vibrations of a sounding body.

Pho*nor"ga*non (?), n. [NL. See Phono-, and Organon.] A speaking machine.

Pho"no*scope (?), n. [Phono- + -scope.] (Physics) (a) An instrument for observing or exhibiting the motions or properties of sounding bodies; especially, an apparatus invented by Kˆnig for testing the quality of musical strings. (b) An instrument for producing luminous figures by the vibrations of sounding bodies.

Pho"no*type (-tp), n. [Phono- + -type.] A type or character used in phonotypy.

{ Pho`no*typ"ic (?), Pho`no*typ"ic*al (?), } a. Of or pertaining to phonotypy; as, a phonotypic alphabet.

Pho*not"y*pist (?), n. One versed in phonotypy.

Pho*not"y*py (?), n. A method of phonetic printing of the English language, as devised by Mr. Pitman, in which nearly all the ordinary letters and many new forms are employed in order to indicate each elementary sound by a separate character.

||Phor"minx (?), n. [NL., fr. Gr. &?;.] A kind of lyre used by the ||Greeks. Mrs. Browning.

||Phor"mi*um (?), n. [NL. fr. Gr. &?; a plaited mat, a kind of plant.] ||(Bot.) A genus of liliaceous plants, consisting of one species ||(Phormium tenax). See Flax-plant.

Phor"one (?), n. [Camphor + acetone.] (Chem.) A yellow crystalline substance, having a geraniumlike odor, regarded as a complex derivative of acetone, and obtained from certain camphor compounds.

||Pho*ro"nis (?), n. [NL., fr. L. Phoronis, a surname of Io, Gr. &?;.] ||(Zoˆl.) A remarkable genus of marine worms having tentacles around ||the mouth. It is usually classed with the gephyreans. Its larva ||(Actinotrocha) undergoes a peculiar metamorphosis.

||Phor`o*no"mi*a (?), n. [NL.] See Phoronomics.

Phor`o*nom"ics (?), n. [Gr. &?; a carrying, motion + &?; a law.] The science of motion; kinematics. [R.] Weisbach.

Phos"gene (?), a. [Gr. &?; light + the root of &?; to be born: cf. F. phosgËne.] (Old Chem.) Producing, or produced by, the action of light; -- formerly used specifically to designate a gas now called carbonyl chloride. See Carbonyl.

Phos"gen*ite (?), n. (Min.) A rare mineral occurring in tetragonal crystals of a white, yellow, or grayish color and adamantine luster. It is a chlorocarbonate of lead.

Phos"pham (?), n. [Phosphorus + ammonia.] (Chem.) An inert amorphous white powder, PN2H, obtained by passing ammonia over heated phosphorus. [Spelt also phosphame.] -- Phos"pham"ic (#), a.

Phos"phate (?), n. (Chem.) A salt of phosphoric acid.

Phos*phat"ic (?), a. (Chem.) Pertaining to, or containing, phosphorus, phosphoric acid, or phosphates; as, phosphatic nodules.

Phosphatic diathesis (Med.), a habit of body which leads to the undue excretion of phosphates with the urine.

||Phos`pha*tu"ri*a (?), n. [NL. See Phosphate, and Urine.] (Med.) The ||excessive discharge of phosphates in the urine.

Phos"phene (?), n. [Gr. &?; light + &?; to show.] (Physiol.) A luminous impression produced through excitation of the retina by some cause other than the impingement upon it of rays of light, as by pressure upon the eyeball when the lids are closed. Cf. After-image.

Phos"phide (?), n. (Chem.) A binary compound of phosphorus.

Phos"phine (?), n. (Chem.) A colorless gas, PH3, analogous to ammonia, and having a disagreeable odor resembling that of garlic. Called also hydrogen phosphide, and formerly, phosphureted hydrogen.

It is the most important compound of phosphorus and hydrogen, and is produced by the action of caustic potash on phosphorus. It is spontaneously inflammable, owing to impurities, and in burning produces peculiar vortical rings of smoke.

Phos*phin"ic (?), a. (Chem.) Pertaining to, or designating, certain acids analogous to the phosphonic acids, but containing two hydrocarbon radicals, and derived from the secondary phosphines by oxidation.

Phos"phite (?), n. (Chem.) A salt of phosphorous acid.

Phos*phon"ic (?), a. [Phosphoric + sulphonic.] (Chem.) Pertaining to, or designating, certain derivatives of phosphorous acid containing a hydrocarbon radical, and analogous to the sulphonic acid.

Phos*pho"ni*um (?), n. [Phosphorus + ammonium.] (Chem.) The hypothetical radical PH4, analogous to ammonium, and regarded as the nucleus of certain derivatives of phosphine.

Phos"phor (?), n. [Cf. G. phosphor. See Phosphorus.] 1. Phosphorus. [Obs.] Addison.

2. The planet Venus, when appearing as the morning star; Lucifer. [Poetic] Pope. Tennyson.

Phos"phor*ate (?), v. t. [imp. & p. p. Phosphorated (?); p. pr. & vb. n. Phosphorating.] (Chem.) To impregnate, or combine, with phosphorus or its compounds; as, phosphorated oil.

Phos"phor-bronze` (?), n. [Phosphor + bronze.] (Metal.) A variety of bronze possessing great hardness, elasticity, and toughness, obtained by melting copper with tin phosphide. It contains one or two per cent of phosphorus and from five to fifteen per cent of tin.

Phos*pho"re*ous (?), a. Phosphorescent. [Obs.]

Phos`phor*esce" (?), v. i. [imp. & p. p. Phosphoresced (?); p. pr. & vb. n. Phosphorescing (?).] To shine as phosphorus; to be phosphorescent; to emit a phosphoric light.

Phos`phor*es"cence (?), n. [Cf. F. phosphorescence.] 1. The quality or state of being phosphorescent; or the act of phosphorescing.

2. A phosphoric light.

Phos`phor*es"cent (?), a. [Cf. F. phosphorescent.] Shining with a phosphoric light; luminous without sensible heat. -- n. A phosphorescent substance.

Phos*phor"ic (?), a. [Cf. F. phosphorique.] 1. (Chem.) Of or pertaining to phosphorus; resembling, or containing, from us; specifically, designating those compounds in which phosphorus has a higher valence as contrasted with the phosphorous compounds.

2. Phosphorescent. "A phosphoric sea." Byron.

Glacial phosphoric acid. (Chem.) (a) Metaphosphoric acid in the form of glassy semitransparent masses or sticks. (b) Pure normal phosphoric acid. -- Phosphoric acid (Chem.), a white crystalline substance, H3PO4, which is the most highly oxidized acid of phosphorus, and forms an important and extensive series of compounds, viz., the phosphates. -- Soluble phosphoric acid, Insoluble phosphoric acid (Agric. Chem.), phosphoric acid combined in acid salts, or in neutral or basic salts, which are respectively soluble and insoluble in water or in plant juices. -- Reverted phosphoric acid (Agric. Chem.), phosphoric acid changed from acid (soluble) salts back to neutral or basic (insoluble) salts.

Phos*phor"ic*al (?), a. (Old Chem.) Phosphoric.

Phos"phor*ite (?), n. (Min.) A massive variety of apatite.

Phos`phor*it"ic (?), a. (Min.) Pertaining to phosphorite; resembling, or of the nature of, phosphorite.

Phos"phor*ize (?), v. t. To phosphorate.

Phos"phor*ized (?), a. Containing, or impregnated with, phosphorus.

Phos`phor*o*gen"ic (?), a. [Phosphorus + -gen + -ic.] Generating phosphorescence; as, phosphorogenic rays.

Phos*phor"o*scope (?), n. [Phosphorus + -scope.] (Physics) An apparatus for observing the phosphorescence produced in different bodies by the

## action of light, and for measuring its duration.

Phos"phor*ous (?), a. [Cf. F. phosphoreux.] (Chem.) Of or pertaining to phosphorus; resembling or containing phosphorus; specifically, designating those compounds in which phosphorus has a lower valence as contrasted with phosphoric compounds; as, phosphorous acid, H3PO3.

Phos"phor*us (?), n.; pl. Phosphori (#). [L., the morning star, Gr. &?;, lit., light bringer; &?; light + &?; to bring.] 1. The morning star; Phosphor.