Defn: Fluorine. [Written also phthor.]

PHYCITE
Phy"cite, n. Etym: [Gr. (Chem.)

Defn: See Erythrite, 1.

PHYCOCHROME
Phy"co*chrome, n. Etym: [Gr. (Bot.)

Defn: A bluish green coloring matter of certain algæ.

PHYCOCYANIN; PHYCOCYANINE
Phy`co*cy"a*nin, Phy`co*cy"a*nine, n. Etym: [Gr. cyanin.]

Defn: A blue coloring matter found in certain algæ.

PHYCOERYTHRIN; PHYCOERYTHRINE
Phy`co*e*ryth"rin, Phy`co*e*ryth"rine, n. Etym: [Gr. erythrin, -ine.]

Defn: A red coloring matter found in algæ of the subclass Florideæ.

PHYCOGRAPHY
Phy*cog"ra*phy, n. Etym: [Gr. -graphy.]