Phrensy to Physical
(Phren"sy) n. Violent and irrational excitement; delirium. See Frenzy.
(Phren"sy), v. t. To render frantic.
(Phren"tic) n. & a. See Phrenetic. [Obs.]
(Phry*ga"ne*id) n. (Zoöl.) Any insect belonging to the Phryganeides.
(||Phryg`a*ne"i*des) n. pl. [NL., fr. Phryganea, the typical genus, fr. Gr. a dry stick.]
(Zoöl.) A tribe of neuropterous insects which includes the caddice flies; called also Trichoptera. See
Trichoptera. [Written also Phryganides.]
Phrygian mode (Mus.), one of the ancient Greek modes, very bold and vehement in style; so called
because fabled to have been invented by the Phrygian Marsyas. Moore Phrygian stone, a light,
spongy stone, resembling a pumice, used by the ancients in dyeing, and said to be drying and astringent.
(Phryg"i*an) a. [L. Phrygius, Gr. fr. Phrygia, a country of Asia Minor.] Of or pertaining to
Phrygia, or to its inhabitants.
1. A native or inhabitant of Phrygia.
2. (Eccl. Hist.) A Montanist.
(Phthal"ate) n. (Chem.) A salt of phthalic acid.
Phenol phthalein, a white or yellowish white crystalline substance made from phthalic acid and phenol.
Its solution in alkalies is brilliant red, but is decolorized by acids, and as this reaction is exceedingly
delicate it is used as an indicator.
(Phthal"e*in) n. [See Phthalic.] (Chem.) One of a series of artificial organic dyes made as
condensation products of the phenols with phthalic acid, and well represented by phenol phthaleïn. Their
alkaline solutions are fluorescent.
Phthalic acid (Chem.), a white crystalline substance, C6H4.(CO2H)2, analogous to benzoic acid, and
employed in the brilliant dyestuffs called the phthaleins.
(Phthal"ic) a. [Naphthalene + -ic.] (Chem.) Pertaining to, or designating, a dibasic acid obtained
by the oxidation of naphthalene and allied substances.
(Phthal"ide) n. [Phthalyl + anhydride.] (Chem.) A lactone obtained by reduction of phthalyl
chloride, as a white crystalline substance; hence, by extension, any one of the series of which phthalide
proper is the type. [Written also phthalid.]
(Phthal"i*mide) n. [Phthalic + imide.] (Chem.) An imido derivative of phthalic acid, obtained
as a white crystalline substance, C6H4.(CO)2NH, which has itself (like succinimide) acid properties, and
forms a series of salts. Cf. Imido acid, under Imido.
(Phthal"in) n. (Chem.) A colorless crystalline substance obtained by reduction from phthaleïn,
into which it is easily converted by oxidation; hence, any one of the series of which phthalin proper is the
(Phthal"yl) n. [Phthalic + -yl.] (Chem.) The hypothetical radical of phthalic acid.
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