Webster's Dictionary, 1913

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Phonologer noun A phonologist.

Phonologic, Phonological adjective Of or pertaining to phonology.

Phonologist noun One versed in phonology.

Phonology noun [ 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.

Phonometer noun [ Phono- + -meter .] (Physics) An instrument for measuring sounds, as to their intensity, or the frequency of the vibrations.

Phonomotor noun [ Phono- + -motor .] (Physics) An instrument in which motion is produced by the vibrations of a sounding body.

Phonorganon noun [ New Latin See Phono- , and Organon .] A speaking machine.

Phonoscope noun [ Phono- + -scope .] (Physics) (a) An instrument for observing or exhibiting the motions or properties of sounding bodies; especially, an apparatus invented by König for testing the quality of musical strings. (b) An instrument for producing luminous figures by the vibrations of sounding bodies.

Phonotype (-tīp) noun [ Phono- + -type .] A type or character used in phonotypy.

Phonotypic, Phonotypical adjective Of or pertaining to phonotypy; as, a phonotypic alphabet.

Phonotypist noun One versed in phonotypy.

Phonotypy noun 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.

Phorminx noun [ New Latin , from Greek ....] A kind of lyre used by the Greeks. Mrs. Browning.

Phormium noun [ New Latin from Greek ... a plaited mat, a kind of plant.] (Botany) A genus of liliaceous plants, consisting of one species ( Phormium tenax ). See Flax-plant .

Phorone noun [ Cam phor + acet one .] (Chemistry) A yellow crystalline substance, having a geraniumlike odor, regarded as a complex derivative of acetone, and obtained from certain camphor compounds.

Phoronis noun [ New Latin , from Latin Phoronis , a surname of Io, Greek ....] (Zoology) 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.

Phoronomia noun [ New Latin ] See Phoronomics .

Phoronomics noun [ Greek ... a carrying, motion + ... a law.] The science of motion; kinematics. [ R.] Weisbach.

Phosgene adjective [ Greek ... light + the root of ... to be born: confer French phosgène .] (Old Chem.) Producing, or produced by, the action of light; -- formerly used specifically to designate a gas now called carbonyl chloride . See Carbonyl .

Phosgenite noun (Min.) A rare mineral occurring in tetragonal crystals of a white, yellow, or grayish color and adamantine luster. It is a chlorocarbonate of lead.

Phospham noun [ Phosph orus + am monia.] (Chemistry) An inert amorphous white powder, PN 2 H, obtained by passing ammonia over heated phosphorus. [ Spelt also phosphame .] -- Phos"pham"ic adjective

Phosphate noun (Chemistry) A salt of phosphoric acid.

Phosphatic adjective (Chemistry) Pertaining to, or containing, phosphorus, phosphoric acid, or phosphates; as, phosphatic nodules.

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

Phosphaturia noun [ New Latin See Phosphate , and Urine .] (Medicine) The excessive discharge of phosphates in the urine.

Phosphene noun [ Greek ... 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. Confer After-image .

Phosphide noun (Chemistry) A binary compound of phosphorus.

Phosphine noun (Chemistry) A colorless gas, PH 3 , 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.

Phosphine noun (Dyeing) Chrysaniline, often in the form of a salt.

Phosphinic adjective (Chemistry) Pertaining to, or designating, certain acids analogous to the phosphonic acids, but containing two hydrocarbon radicals, and derived from the secondary phosphines by oxidation.

Phosphite noun (Chemistry) A salt of phosphorous acid.

Phosphonic adjective [ Phosph oric + sulph onic .] (Chemistry) Pertaining to, or designating, certain derivatives of phosphorous acid containing a hydrocarbon radical, and analogous to the sulphonic acid.

Phosphonium noun [ Phosph orus + amm onium .] (Chemistry) The hypothetical radical PH 4 , analogous to ammonium, and regarded as the nucleus of certain derivatives of phosphine.

Phosphor noun [ Confer German phosphor . See Phosphorus .]
1. Phosphorus. [ Obsolete] Addison.

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

Phosphor-bronze noun [ 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.

Phosphorate transitive verb [ imperfect & past participle Phosphorated ; present participle & verbal noun Phosphorating .] (Chemistry) To impregnate, or combine, with phosphorus or its compounds; as, phosphorated oil.

Phosphoreous adjective Phosphorescent. [ Obsolete]

Phosphoresce intransitive verb [ imperfect & past participle Phosphoresced ; present participle & verbal noun Phosphorescing .] To shine as phosphorus; to be phosphorescent; to emit a phosphoric light.

Phosphorescence noun [ Confer French phosphorescence .]
1. The quality or state of being phosphorescent; or the act of phosphorescing.

2. A phosphoric light.

Phosphorescent adjective [ Confer French phosphorescent .] Shining with a phosphoric light; luminous without sensible heat. -- noun A phosphorescent substance.

Phosphoric adjective [ Confer French phosphorique .]
1. (Chemistry) 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 . (Chemistry) (a) Metaphosphoric acid in the form of glassy semitransparent masses or sticks . (b) Pure normal phosphoric acid. -- Phosphoric acid (Chemistry) , a white crystalline substance, H 3 PO 4 , 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.

Phosphorical adjective (Old Chem.) Phosphoric.

Phosphorite noun (Min.) A massive variety of apatite.

Phosphoritic adjective (Min.) Pertaining to phosphorite; resembling, or of the nature of, phosphorite.

Phosphorize transitive verb To phosphorate.

Phosphorized adjective Containing, or impregnated with, phosphorus.

Phosphorogenic adjective [ Phosphorus + -gen + -ic .] Generating phosphorescence; as, phosphorogenic rays.

Phosphoroscope noun [ Phosphorus + -scope .] (Physics) An apparatus for observing the phosphorescence produced in different bodies by the action of light, and for measuring its duration.

Phosphorous adjective [ Confer French phosphoreux .] (Chemistry) 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, H 3 PO 3 .

Phosphorus noun ; plural Phosphori . [ Latin , the morning star, Greek ..., lit., light bringer; ... light + ... to bring.]
1. The morning star; Phosphor.

2. (Chemistry) A poisonous nonmetallic element of the nitrogen group, obtained as a white, or yellowish, translucent waxy substance, having a characteristic disagreeable smell. It is very active chemically, must be preserved under water, and unites with oxygen even at ordinary temperatures, giving a faint glow, -- whence its name. It always occurs compined, usually in phosphates, as in the mineral apatite, in bones, etc. It is used in the composition on the tips of friction matches, and for many other purposes. The molecule contains four atoms. Symbol P. Atomic weight 31.0.

3. (Chemistry) Hence, any substance which shines in the dark like phosphorus, as certain phosphorescent bodies.

Bologna phosphorus (Chemistry) , sulphide of barium, which shines in the dark after exposure to light; -- so called because this property was discovered by a resident of Bologna . The term is sometimes applied to other compounds having similar properties. -- Metallic phosphorus (Chemistry) , an allotropic modification of phosphorus, obtained as a gray metallic crystalline substance, having very inert chemical properties. It is obtained by heating ordinary phosphorus in a closed vessel at a high temperature. -- Phosphorus disease (Medicine) , a disease common among workers in phosphorus, giving rise to necrosis of the jawbone, and other symptoms. -- Red, or Amorphous , phosphorus (Chemistry) , an allotropic modification of phosphorus, obtained as a dark red powder by heating ordinary phosphorus in closed vessels. It is not poisonous, is not phosphorescent, and is only moderately active chemically. It is valuable as a chemical reagent, and is used in the composition of the friction surface on which safety matches are ignited. -- Solar phosphori (Chemistry) , phosphorescent substances which shine in the dark after exposure to the sunlight or other intense light.

Phosphorus steel A steel in which the amount of phosphorus exceeds that of carbon.