ALGIDNESS
Al"gid*ness, n.

Defn: Algidity. [Obs.]

ALGIFIC
Al*gif"ic, a. Etym: [L. algificus, fr. algus cold + facere to make.]

Defn: Producing cold.

ALGIN
Al"gin, n. (Chem.)

Defn: A nitrogenous substance resembling gelatin, obtained from certain algæ.

ALGOID
Al"goid, a. Etym: [L. alga + -oid.]

Defn: Of the nature of, or resembling, an alga.

ALGOL Al"gol, n. Etym: [Ar. al-gh destruction, calamity, fr. ghala to take suddenly, destroy.] (Astron.)

Defn: A fixed star, in Medusa's head, in the constellation Perseus, remarkable for its periodic variation in brightness.