OXIDE

n. O2x'i2d(id). Lat, oxidum. Fr., oxyde. Ger., Oxyd. It., o ido. Sp., oxido. A compound of a metal, or of a compound radicle, with oxygen; in the latter case called an ether. According as one or more atoms of oxygen enter into the compound, the latter is designated as a monoxide (or protoxide), a dioxide (deutoxide, or binoxide), a trioxide, a tetroxide, a pentoxide,etc. [B.] Acid-forming o., Acid o. An oxide which, combined with water, produces an acid; an anhydride. [B, 3.] Basic o. An o. containing a relatively small amount of oxygen and po e ed of basic properties. The basic o's combine with water to form hydroxides which are often strongly alkaline. They usually contain le oxygen than the acid o's. [B.] Hydrated o. See HYDROXIDE. Indifferent o., Neutral o. An o. composed of two other o's, which does not combine with water to form either an U, blue; V*, lull; U<, full; U, urn; U, like u (German). [s. 189]