Dictionary

hemiacetal

noun hemi·ac·e·tal \ˌhe-mē-ˈa-sə-ˌtal\

Definition of HEMIACETAL

:  any of a class of compounds characterized by the grouping C(OH)(OR) where R is an alkyl group and usually formed as intermediates in the preparation of acetals from aldehydes or ketones
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First Known Use of HEMIACETAL

1893
Medical Dictionary

hemiacetal

noun hemi·ac·e·tal \ˌhem-ē-ˈas-ə-ˌtal\

Medical Definition of HEMIACETAL

:  any of a class of compounds characterized by the group C(OH)(OR) where R is an alkyl group and usually formed as intermediates in the preparation of acetals from aldehydes or ketones

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