- Through, conveying intensity.
- In chemistry, a prefix denoting either 1) more or most, with respect to the amount of a given element (usually oxygen, as in perchloric acid) or radical contained in a compound, or 2) the degree of substitution for hydrogen, as in peroxides, peroxy acids (hydrogen peroxide, peroxyformic acid).
[L. through, throughout, extremely]
See Also: peroxy-
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Examples: glitazone, GI cocktail, etc.