Part 244

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.