adjective Chemistry.
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.

1885–90; < Greek aleiphat- (stem of áleiphar oil, fat) + -ic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To aliphatic
World English Dictionary
aliphatic (ˌælɪˈfætɪk)
(of an organic compound) not aromatic, esp having an open chain structure, such as alkanes, alkenes, and alkynes
[C19: from Greek aleiphat-, aleiphar oil]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

aliphatic al·i·phat·ic (āl'ə-fāt'ĭk)
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.
Cite This Source
American Heritage
Science Dictionary
aliphatic   (āl'ə-fāt'ĭk)  Pronunciation Key 

(click for larger image in new window)

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 © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
They were blends of aromatic and aliphatic compounds and hence the emissions.
Why that might be was hinted at by a second sort of molecule-a group of compounds called aliphatic amines.
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature