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a.1.(Chem.) Having six hydrogen atoms or six radicals capable of being replaced or saturated by bases; - said of acids; as, mellitic acid is hexabasic.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
In 1855, he showed that erythrite was a tetratomic alcohol rather than a sugar [8], and five years later recognized that mannit was a hexabasic alcohol [4].