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acyl

[ as-il, -eel ]

adjective

, Chemistry.
  1. containing the acyl group.


acyl

/ ˈeɪsaɪl /

noun

  1. modifier of, denoting, or containing the monovalent group of atoms RCO-, where R is an organic group

    acyl substitution

    acyl group or radical

  2. an organometallic compound in which a metal atom is directly bound to an acyl group
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


acyl

/ ăsəl /

  1. An organic compound containing the group RCO, where R is a halogen. Acyls are formed from organic acids by replacing the hydroxyl group (OH) within the carboxyl group (COOH) with a halogen. For example, acetyl chloride (CH 3 COCl) is formed by replacing the hydroxyl group of acetic acid (CH 3 COOH) with a chlorine atom. The names of acyls are formed by replacing the suffix –ic of the acid's name with –yl.


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Word History and Origins

Origin of acyl1

1895–1900; < German: an organic radical derived from an acid; acid, -yl
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Word History and Origins

Origin of acyl1

C20: from acid + -yl

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acycloviracyl anhydride