an oily, clear to amber, water-insoluble liquid, C 1 9 H 3 6 O 2 , used chiefly as an intermediate for detergents, wetting agents, and emulsifiers.
noun, Chemistry. 1. an orange-yellow, slightly water-soluble powder, C 1 4 H 1 4 N 3 NaO 3 S, used chiefly as an acid-base indicator.
[meth-uh l-par-uh-ben] /ˌmɛθ əlˈpær əˌbɛn/ noun, Chemistry. 1. a fine, white, needlelike substance, C 8 H 8 O 3 , used chiefly as a preservative in foods and pharmaceuticals.
noun, Chemistry. 1. a synthetic pesticide, C 8 H 1 0 NO 5 PS, used in the control of mites and various insects, as aphids, boll weevils, and cutworms.
methylpentose meth·yl·pen·tose (měth’əl-pěn’tōs’, -tōz’) n. A six-carbon monosaccharide having a methyl group on the sixth carbon.