%oxali%

a. (Chem.) Pertaining to, or designating, an aldehyde acid, intermediate between glycol and oxalic acid. [ Written also glyoxylic. ] [ 1913 Webster ]

n. (Chem.) A white, crystalline, organic base, C3H4N2, produced by the action of ammonia on glyoxal, and forming the origin of a large class of derivatives hence, any one of the series of which glyoxaline is a type; -- called also oxaline. [ 1913 Webster ]

a. [ Mes- + oxalic. ] (Chem.) Pertaining to, or designating, an acid, CH2O2(CO2H)2, obtained from amido malonic acid. [ 1913 Webster ]

n. Orthodoxness. [ R. ] [ 1913 Webster ]

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 ]

n. [ Glyoxal + -ine. ] (Chem.) See Glyoxaline. [ 1913 Webster ]

n. [ L., a kind of sorrel, Gr. 'oxali`s, fr. 'oxy`s sharp, pungent, acid. ] (Bot.) A genus of plants, mostly herbs, with acid-tasting trifoliolate or multifoliolate leaves; -- called also wood sorrel. [ 1913 Webster ]

n. (Min.) A yellow mineral consisting of oxalate of iron. [ 1913 Webster ]