Defn: : Nitrous; as, azotous acid. [R.]

AZOTURIA
Az`o*tu"ri*a, n. [NL.; azote + Gr. urine.] (Med.)

Defn: Excess of urea or other nitrogenous substances in the urine.

AZTEC
Az"tec, a.

Defn: Of or relating to one of the early races in Mexico that inhabited the great plateau of that country at the time of the Spanish conquest in 1519. — n.

Defn: One of the Aztec race or people.

AZURE Az"ure, a. Etym: [F. & OSp. azur, Sp. azul, through Ar. from Per. lajaward, or lajuward, lapis lazuli, a blue color, lajawardi, lajuwardi, azure, cerulean, the initial l having been dropped, perhaps by the influence of the Ar. azr-aq azure, blue. Cf. G. lasur, lasurstein, azure color, azure stone, and NL. lapis lazuli.]

Defn: Sky-blue; resembling the clear blue color of the unclouded sky; cerulean; also, cloudless. Azure stone (Min.), the lapis lazuli; also, the lazulite.

AZURE
Az"ure, n.

1. The lapis lazuli. [Obs.]