Photo-xylography, fō-tō-zī-log′ra-fi, n. wood-engraving after an impression has been taken on the wood-block by photography. [Gr. phōs, phōtos light, xylon, a log of wood, graphein, to write.]

Photozincography, fō-tō-zing-kog′ra-fi, n. the process of engraving on zinc by taking an impression by photography and etching with acids.—n. Photozinc′ograph, a picture so produced.

Phrase, frāz, n. two or more words expressing a single idea by themselves, or showing the manner or style in which a person expresses himself: part of a sentence: a short pithy expression: phraseology: (mus.) a short clause or portion of a sentence.—v.t. to express in words: to style.—n. Phrase′-book, a book containing or explaining phrases.—adj. Phrase′less, incapable of being described.—ns. Phrase′-man, Phrase′-mong′er, a wordy speaker or writer; Phrā′seogram, Phrā′seograph, a combination of shorthand characters to represent a phrase or sentence.—adjs. Phraseolog′ic, -al, pertaining to phraseology: consisting of phrases.—adv. Phraseolog′ically.—ns. Phraseol′ogist, a maker or a collector of phrases; Phrāseol′ogy, style or manner of expression or arrangement of phrases: peculiarities of diction: a collection of phrases in a language; Phrā′ser, a mere maker or repeater of phrases.—adj. Phrā′sical.—n. Phrā′sing, the wording of a speech or passage: (mus.) the grouping and accentuation of the sounds in a melody. [Fr.,—L.,—Gr. phrasisphrazein, to speak.]

Phratry, frā′tri, n. a clan: a brotherhood—also Phrā′tria.—adj. Phrā′tric. [Gr. phratēr, a brother.]

Phren, fren, n. the thinking principle, mind: the diaphragm:—pl. Phrenes.—ns. Phrēnal′gia, psychalgia; Phrenē′sis, delirium, frenzy.—adjs. Phrenet′ic, -al (also Frenet′ic, -al), having a disordered mind: frenzied: mad; Phreniat′ric, pertaining to the cure of mental diseases; Phren′ic, belonging to the diaphragm.—ns. Phren′ics, mental philosophy; Phren′ism, thought force.—adj. Phrenit′ic, affected with phrenitis.—ns. Phrenī′tis, inflammation of the brain; Phrenog′raphy, descriptive psychology; Phrenopath′ia, mental disease.—adj. Phrenopath′ic.—n. Phrenoplē′gia, sudden loss of mental power. [Gr. phrēn, the mind.]

Phrenology, frē-nol′ō-ji, n. the theory that the various faculties and powers of the mind are connected with certain parts of the brain, and can be known by an examination of the outer surface of the skull: the science by which character can be read by examining the skull.—adjs. Phrenolog′ic, -al.—adv. Phrenolog′ically.—n. Phrenol′ogist, one who believes or is versed in phrenology. [Gr. phrēn, phrenos, mind, logos, science.]

Phronesis, frō′-nē′sis, n. practical wisdom. [Gr.,—phrēn, mind.]

Phrygian, frij′i-an, adj. pertaining to Phrygia in Asia Minor, or to the Phrygians.—n. a native of Phrygia: a Montanist.—Phrygian cap, a conical cap with the top turned forward.

Phthalein, thal′e-in, n. one of a very important class of dye-yielding materials formed by the union of phenols with the anhydride of phthalic acid.—adj. Phthal′ic, pertaining to naphthalene.—n. Phthal′in, a colourless crystalline compound obtained by reducing phthalein.

Phthiriasis, thi-rī′a-sis, n. the lousy disease—morbus pediculosus. [L.,—Gr.]