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Meaning of hemiacetal

hem•i•ac•e•tal

Pronunciation: (hem"ē-as'i-tal"), [key]
— n.
  1. any of the class of organic chemical compounds having the general formula RCH(OH)OR, where R is an organic group.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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