inactive tartaric acid
mesotartaric mes`o*tar*tar"ic, a. [Meso- + tartaric.] (Chem.) Pertaining to, or designating, an acid called also {inactive tartaric acid}. It is an optically inactive stereoisomer of tartaric acid due to internal compensation of the rotatory activity of the two asymmetric centers; it has a plane of symmetry in the molecule. [1913 Webster +PJC]

The Collaborative International Dictionary of English. 2000.

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  • Tartaric acid — Tartaric Tar*tar ic, a. (Chem.) Of or pertaining to tartar; derived from, or resembling, tartar. [1913 Webster] {Tartaric acid}. (a) An acid widely diffused throughout the vegetable kingdom, as in grapes, mountain ash berries, etc., and obtained… …   The Collaborative International Dictionary of English

  • Tartaric acid — Tartaric acid[1] …   Wikipedia

  • dextro-tartaric acid — Tartaric Tar*tar ic, a. (Chem.) Of or pertaining to tartar; derived from, or resembling, tartar. [1913 Webster] {Tartaric acid}. (a) An acid widely diffused throughout the vegetable kingdom, as in grapes, mountain ash berries, etc., and obtained… …   The Collaborative International Dictionary of English

  • Tartaric — Tar*tar ic, a. (Chem.) Of or pertaining to tartar; derived from, or resembling, tartar. [1913 Webster] {Tartaric acid}. (a) An acid widely diffused throughout the vegetable kingdom, as in grapes, mountain ash berries, etc., and obtained from… …   The Collaborative International Dictionary of English

  • Inactive — In*ac tive, a. [Pref. in not + active: cf. F. inactif.] [1913 Webster] 1. Not active; having no power to move; that does not or can not produce results; inert; as, matter is, of itself, inactive. [1913 Webster] 2. Not disposed to action or… …   The Collaborative International Dictionary of English

  • Acid — This article is about acids in chemistry. For the drug, see Lysergic acid diethylamide. For other uses, see Acid (disambiguation). Acidity redirects here. For the novelette, see Acidity (Novelette). Acids and Bases …   Wikipedia

  • optically inactive — Inactive In*ac tive, a. [Pref. in not + active: cf. F. inactif.] [1913 Webster] 1. Not active; having no power to move; that does not or can not produce results; inert; as, matter is, of itself, inactive. [1913 Webster] 2. Not disposed to action… …   The Collaborative International Dictionary of English

  • racemic acid — noun the optically inactive form of tartaric acid that is often found in grape juice • Hypernyms: ↑tartaric acid * * * noun : optically inactive tartaric acid that consists of equal parts of dextro and levo tartaric acids into which it can be… …   Useful english dictionary

  • Racemic acid — is an old name for an optically inactive or racemic form of tartaric acid. It is an equal mixture of two mirror image isomers (enantiomers), optically active in opposing directions. Its sodium ammonium salt is unusual among racemic mixtures in… …   Wikipedia

  • racemic acid — n. [< RACEME: orig. found in grapes] a transparent, colorless, crystalline compound occurring in nature with d tartaric acid: it is an optically inactive isomer of tartaric acid …   English World dictionary

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