iˈæs noun
any of the class of organic chemical compounds having the general formula RCH(OH)OR, where R is an organic group.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To hemiacetal
American Heritage
Medical Dictionary
hemiacetal hem·i·ac·e·tal (hěm'ē-ās'ĭ-tāl')
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.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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00:10
Hemiacetal
is always a great word to know.
So is callithumpian. Does it mean:
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
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