dehydro-

dehydro-
Prefix used in the names of those chemical compounds that differ from other and more familiar compounds in the absence of two hydrogen atoms; e.g., dehydroascorbic acid, which resembles ascorbic acid in all structural features except for its lack of two hydrogen atoms that are present in the ascorbic acid molecule. In systematic nomenclature, didehydro- is preferred as being more exact.

* * *

a chemical prefix denoting the loss of two hydrogen atoms; in systematic nomenclature, didehydro- is used instead.

Medical dictionary. 2011.

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  • dehydro — de·hy·dro …   English syllables

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