2 definitions found From The Collaborative International Dictionary of English v.0.48 [gcide]: Tetracid \Tet*rac"id\, a. [Tetra + acid.] (Chem.) Capable of neutralizing four molecules of a monobasic acid; having four hydrogen atoms capable of replacement ba acids or acid atoms; -- said of certain bases; thus, erythrine, {C4H6(OH)4}, is a tetracid alcohol. [1913 Webster] From The Collaborative International Dictionary of English v.0.48 [gcide]: Erythrite \E*ryth"rite\, n. [Gr. 'eryqro`s red.] 1. (Chem.) A colorless crystalline substance, {C4H6.(OH)4}, of a sweet, cooling taste, extracted from certain lichens, and obtained by the decomposition of erythrin; -- called also {erythrol}, {erythroglucin}, {erythromannite}, {pseudorcin}, {cobalt bloom}, and under the name {phycite} obtained from the alga {Protococcus vulgaris}. It is a tetrabasic alcohol, corresponding to glycol and glycerin.
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