<chemistry> An acid containing hydrogen; sometimes applied to distinguish acids like hydrochloric, hydrofluoric, and the like, which contain no oxygen, from the oxygen acids or oxacids. See Acid.

Origin: Hydr- + acid: cf. F. Hydracide.

(01 Mar 1998)

hydr-, Hydra, hydracetin, hydrachnid < Prev | Next > hydracrylic, hydractinian, hydradenitis

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