HYP-, HYPO-
\hˈɪp], \hˈɪp], \h_ˈɪ_p]\
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Prefix used to signify under or deficiency. From the Gr., ypo, under. In chemistry, in contrast to hyper, it denotes a smaller quantity of oxygen than is found in the compounds to which it is not prefixed. Thus sulphurous acid, (H2SO3), hyposulphurous acid (H2SO2).
By Smith Ely Jelliffe
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