Oxalic acid
Oxalic Ox*al"ic, a. [From {Oxalis}: cf. F. oxalique.] (Chem.) Pertaining to, derived from, or contained in, sorrel, or oxalis; specifically, designating an acid found in, and characteristic of, oxalis, and also certain plant of the Buckwheat family. [1913 Webster]

{Oxalic acid} (Chem.), a dibasic acid ({HO.CO.CO.OH}), existing combined in oxalis as an acid potassium oxalate, and in many plant tissues as the calcium oxalate. It is prepared on a large scale, by the action of fused caustic soda or potash on sawdust, as a white crystalline substance, which has a strong acid taste, and is poisonous in large doses. It is used in dyeing, calico printing, bleaching flax and straw, the preparation of formic acid, and in salts of lemon for removing ink stains, mold, etc. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Oxalic acid — Oxalic acid …   Wikipedia

  • oxalic acid — [äk sal′ik] n. [Fr oxalique < L oxalis: see OXALIS] a colorless, poisonous, crystalline acid, (COOH) 2, found in oxalis and other plants or prepared synthetically and used in dyeing, bleaching, etc …   English World dictionary

  • oxalic acid — Chem. a white, crystalline, water soluble, poisonous acid, H2C2O4·2H2O, first discovered in the juice of the wood sorrel species of oxalis and obtained by reacting carbon monoxide with sodium hydroxide or certain carbohydrates with acids or… …   Universalium

  • oxalic acid — An acid, HOOC–COOH, found in many plants and vegetables, particularly in buckwheat (family Polygoniaceae) and Oxalis (family Oxalidaceae); used as a hemostatic in veterinary medicine, but toxic in elevated levels when ingested by humans; also… …   Medical dictionary

  • oxalic acid — an extremely poisonous acid, C2H2O4. It is a component of some bleaching powders and is found in many plants, including sorrel and the leaves of rhubarb. Oxalic acid is a powerful local irritant; when swallowed it produces burning sensations in… …   The new mediacal dictionary

  • oxalic acid — oksalo rūgštis statusas T sritis chemija formulė (HOOC)₂ atitikmenys: angl. oxalic acid rus. щавелевая кислота ryšiai: sinonimas – etano dirūgštis sinonimas – rūgštynių rūgštis …   Chemijos terminų aiškinamasis žodynas

  • oxalic acid — /ɒkˌsælɪk ˈæsəd/ (say ok.salik asuhd) noun a white, crystalline, dibasic acid, (COOH)2.2H2O, first discovered in the juice of a species of oxalis (wood sorrel), used in textile and dye manufacturing, in bleaching, etc. {oxalic, from French… …   Australian English dictionary

  • oxalic acid — noun A colourless, crystalline dicarboxylic acid, (COOH), found in rhubarb, spinach and other plants, often as crystals of the calcium salt. Syn: acid of sugar, ethandioic acid …   Wiktionary

  • oxalic acid — noun Etymology: French (acide) oxalique, from Latin oxalis Date: 1790 a poisonous strong acid (COOH)2 or H2C2O4 that occurs in various plants (as spinach) as oxalates and is used especially as a bleaching or cleaning agent and as a chemical… …   New Collegiate Dictionary

  • oxalic acid — [ɒk salɪk] noun Chemistry a poisonous crystalline organic acid, present in rhubarb leaves, wood sorrel, and other plants. Origin C18: from Fr. oxalique, via L. from Gk oxalis wood sorrel …   English new terms dictionary

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