BICARBONATE
Bi*car"bon*ate, n. Etym: [Pref. bi-+ carbonate.] (Chem.)

Defn: A carbonate in which but half the hydrogen of the acid is replaced by a positive element or radical, thus making the proportion of the acid to the positive or basic portion twice what it is in the normal carbonates; an acid carbonate; — sometimes called supercarbonate.

BICARBURETED; BICARBURETTED
Bi*car"bu*ret`ed or -ret`ted, a. Etym: [Pref. bi- + carbureted.]
(Chem.)

Defn: Containing two atoms or equivalents of carbon in the molecule.
[Obs. or R.]

BICARINATE
Bi*car"i*nate, a. Etym: [Pref. bi- + carinate.] (Biol.)

Defn: Having two keel-like projections, as the upper palea of grasses.

BICAUDAL
Bi*cau"dal, a. Etym: [Pref. bi- + caudal.]

Defn: Having, or terminating in, two tails.

BICAUDATE
Bi*cau"date, a. Etym: [Pref. bi- + caudate.]

Defn: Two-tailed; bicaudal.