Dictionary.com

hemiacetal

[ hem-ee-as-i-tal ]
/ ˌhɛm iˈæs ɪˌtæl /
Save This Word!

noun
any of the class of organic chemical compounds having the general formula RCH(OH)OR, where R is an organic group.

COMPARE MEANINGS

Click for a side-by-side comparison of meanings. Use the word comparison feature to learn the differences between similar and commonly confused words.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of hemiacetal

First recorded in 1890–95; hemi- + acetal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

Medical definitions for hemiacetal

hemiacetal
[ hĕm′ē-ăsĭ-tăl′ ]

n.
Any of a class of compounds containing an alkyl group, especially when formed as intermediates during the preparation of acetals from aldehydes or ketones.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
FEEDBACK