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aliphatic

[al-uh-fat-ik] /ˌæl əˈfæt ɪk/
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
1885-1890
1885-90; < Greek aleiphat- (stem of áleiphar oil, fat) + -ic
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for aliphatic
  • 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.
British Dictionary definitions for aliphatic

aliphatic

/ˌælɪˈfætɪk/
adjective
1.
(of an organic compound) not aromatic, esp having an open chain structure, such as alkanes, alkenes, and alkynes
Word Origin
C19: from Greek aleiphat-, aleiphar oil
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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aliphatic in Medicine

aliphatic al·i·phat·ic (āl'ə-fāt'ĭk)
adj.
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.
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aliphatic in Science
aliphatic
  (āl'ə-fāt'ĭk)   

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.
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