1. A native or inhabitant of Phrygia.
2. (Eccl. Hist.)
Defn: A Montanist.
PHRYGIAN CAP
Phryg"i*an cap`.
Defn: A close-fitting cap represented in Greek art as worn by Orientals, assumed to have been conical in shape. It has been adopted in modern art as the so-called liberty cap, or cap of liberty.
PHTHALATE
Phthal"ate, n. (Chem.)
Defn: A salt of phthalic acid.
PHTHALEIN
Phthal"e*in, n. Etym: [See Phthalic.] (Chem.)
Defn: 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. 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.
PHTHALIC
Phthal"ic, a. Etym: [Naphthalene + -ic.] (Chem.)