aliphatic

[al-uh-fat-ik]
adjective Chemistry.
  1. pertaining to nonaromatic hydrocarbon compounds in which the constituent carbon atoms can be straight-chain, branched chain, or cyclic, as in alicyclic compounds; saturated, as in the paraffins; or unsaturated, as in the olefins and alkynes.

Origin of aliphatic

1885–90; < Greek aleiphat- (stem of áleiphar oil, fat) + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of aliphatic


British Dictionary definitions for aliphatic

aliphatic

adjective
  1. (of an organic compound) not aromatic, esp having an open chain structure, such as alkanes, alkenes, and alkynes

Word Origin for aliphatic

C19: from Greek aleiphat-, aleiphar oil
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

aliphatic in Medicine

aliphatic

[ăl′ə-fătĭk]
adj.
  1. Of, relating to, or being a group of organic chemical compounds in which the carbon atoms are linked in open chains.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

aliphatic in Science

aliphatic

[ăl′ə-fătĭk]
  1. Relating to organic compounds whose carbon atoms are linked in open chains, either straight or branched, rather than containing a benzene ring. Alkanes, alkenes, and alkynes are aliphatic compounds. Compare aromatic.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.