A morbid fear of developing a phobia.

A genus of seals. It includes the common harbor seal and allied species. See Seal.

Any species of Phoca; a seal.

Pertaining to seals.

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.

See Delphin.

Of or pertaining to the seal tribe; phocal.

One of the Phocodontia.

A group of extinct carnivorous whales. Their teeth had compressed and serrated crowns. It includes Squalodon and allied genera.

The pewee, or pewit.

Apollo; the sun god.

Of or pertaining to Ph/nica. A native or inhabitant of Ph/nica.

See Phenicious.

A genus of birds which includes the flamingoes.

A genus of Old World thrushes.

Same as Phenix.

Any species of Pholas.

Pholad.

Any one of numerous species of marine bivalve mollusks of the genus Pholas, or family Pholadid/. They bore holes for themselves in clay, peat, and soft rocks.

A genus of straggling herbs of the southwestern U.S.

Of or relating to the voice; as, phonal structure.

Treatment for restoring or improving the voice.

The act or process by which articulate sounds are uttered; the utterance of articulate sounds; articulate speech.

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.

An instrument that converts sound into signals that can be transmitted over distances and then converts received signals back into sounds; a telephone; as, I talked to him on the phone.

To get or try to get into communication with, using a telephone; as, I phoned him this morning.

A radio or telephone program, or part of a program, during which the audience participates by telephone.

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.

One of a small set of speech sounds that are used by and distinguished by the speakers of a particular language. They are combined into morphemes, words, and sentences.

Of or pertaining to a phoneme; as, phonemic analysis.

The study of the sound system of a given language and the analysis and classification of its phonemes.

Of or pertaining to the voice, or its use.

In a phonetic manner.

One versed in phonetics; a phonetist.

The doctrine or science of sounds; especially those of the human voice; phonology.

The science which treats of vocal sounds.

One versed in phonetics; a phonologist.

The act, art, or process of representing sounds by phonetic signs.

To represent by phonetic signs.

Something or someone that is phoney.

Of or pertaining to sound; of the nature of sound; acoustic.

Same as Phonetics.

A South American butterfly (Ithonia phono) having nearly transparent wings.

Reflecting sound.

A letter, character, or mark used to represent a particular sound.

Of or pertaining to a phonogram.

A character or symbol used to represent a sound, esp. one used in phonography.

One versed or skilled in phonography.

Of or pertaining to phonography; based upon phonography.

In a phonographic manner; by means of phonograph.

Phonographer.

A description of the laws of the human voice, or sounds uttered by the organs of speech.

A compact, feldspathic, igneous rock containing nephelite, ha/ynite, etc. Thin slabs give a ringing sound when struck; -- called also clinkstone.

A phonologist.

Of or pertaining to phonology.

One versed in phonology.

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.

An instrument for measuring sounds, as to their intensity, or the frequency of the vibrations.

An instrument in which motion is produced by the vibrations of a sounding body.

A speaking machine.

A type or character used in phonotypy.

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

One versed in phonotypy.

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.

Something or someone that is phony.

A kind of lyre used by the Greeks.

A genus of liliaceous plants, consisting of one species (Phormium tenax). See Flax-plant.

A yellow crystalline substance, having a geraniumlike odor, regarded as a complex derivative of acetone, and obtained from certain camphor compounds.

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.

See Phoronomics.

The science of motion; kinematics.

Producing, or produced by, the action of light; -- used specifically to designate a gas also called carbonyl chloride. See phosgene, n., and Carbonyl.

A reactive chemical substance (COCl2), also called carbonyl choride, used in synthesis of numerous substances. In the First World War it was also used as a poisonous gas in combat.

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

An inert amorphous white powder, PN2H, obtained by passing ammonia over heated phosphorus.

A salt of phosphoric acid or a compound containing the phosphate radical group -PO4; as, trisodium phosphate (Na3PO4); triethyl phosphate ((C2H5)3PO4).

Pertaining to, or containing, phosphorus, phosphoric acid, or phosphates; as, phosphatic nodules.

The excessive discharge of phosphates in the urine.

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.

A binary compound of phosphorus.

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 postulated as one possible cause of the rare lights seen in marshes -- see ignis fatuus.

Chrysaniline, often in the form of a salt.

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

A salt of phosphorous acid.

Pertaining to, or designating, certain derivatives of phosphorous acid containing a hydrocarbon radical with the phosphorus directly bonded to a carbon, and analogous to the sulphonic acids; as, methanephosphonic acid, CH3.PO.(OH)2.

The hypothetical radical PH4, analogous to ammonium, and regarded as the nucleus of certain derivatives of phosphine.

Phosphorus.

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.

To impregnate, or combine, with phosphorus or its compounds; as, phosphorated oil.

Phosphorescent.

To shine as phosphorus; to be phosphorescent; to emit a phosphoric light. Generally, to emit light at temperatures too low to excite incandescent radiation.

The quality or state of being phosphorescent.

Shining with a phosphoric light; emitting phosphorescence; luminous without sensible heat. A phosphorescent substance.

Of or pertaining to phosphorus; resembling, or containing, phosporus; specifically, designating those compounds in which phosphorus has a higher valence as contrasted with the phosphorous compounds.

Phosphoric.

A massive variety of apatite.

Pertaining to phosphorite; resembling, or of the nature of, phosphorite.

To phosphorate.

Containing, or impregnated with, phosphorus.

Generating phosphorescence; as, phosphorogenic rays.

An apparatus for observing the phosphorescence produced in different bodies by the action of light, and for measuring its duration.

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.

The morning star; Phosphor.

The radical PO, regarded as the typical nucleus of certain compounds.

A phosphide.

Impregnated, or combined, with phosphorus.

Of or pertaining to light; specifically, relating to the production of light by the lower animals.

The science of light; -- a general term sometimes employed when optics is restricted to light as a producing vision.

A luminous image or appearance of a hallucinatory character.

A contraction of Photograph.

Acting by the operation of both light and electricity; -- said of apparatus for producing pictures by electric light.

Pertaining to, or capable of developing, photo-electricity.

Electricity produced by light.

An electrometer registering by photography.

An electrotype plate formed in a mold made by photographing on prepared gelatine, etc.

To engrave by a photomechanical process; to make a photo-engraving of.

The process of obtaining an etched or engraved plate from the photographic image, to be used in printing; also, a picture produced by such a process.

A disproportionately rapid growth of the upper surface of dorsiventral organs, such as leaves, through the stimulus of exposure to light.

To engrave, or make an engraving of, by any photomechanical process involving etching of the plate.

A photo-engraving produced by any process involving the etching of the plate.