OXTER
Ox"ter, n. Etym: [AS. ohsta.]

Defn: The armpit; also, the arm. [Prov. Eng. & Scot.]

OXTONGUE
Ox"tongue`, n. (Bot.)

Defn: A name given to several plants, from the shape and roughness of their leaves; as, Anchusa officinalis, a kind of bugloss, and Helminthia echioides, both European herbs.

OXY-
Ox"y-. (Chem.)

Defn: A prefix, also used adjectively, designating: (a) A compound containing oxygen. (b) A compound containing the hydroxyl group, more properly designated by hydroxy-. See Hydroxy-. Oxy acid. See Oxyacid (below).

OXYACETIC
Ox`y*a*ce"tic, a. Etym: [Oxy- (b) + acetic.]

Defn: Hydroxyacetic; designating an acid called also glycolic acid.

OXYACID
Ox`y*ac"id, n. Etym: [Oxy- (a) + acid.] (Chem.)

Defn: An acid containing oxygen, as chloric acid or sulphuric acid; - - contrasted with the hydracids, which contain no oxygen, as hydrochloric acid. See Acid, and Hydroxy-.