[ al-uh-sahy-klik, -sik-lik ]
/ ˌæl əˈsaɪ klɪk, -ˈsɪk lɪk /

adjective Chemistry.

of or noting organic compounds essentially aliphatic in chemical behavior but differing structurally in that the essential carbon atoms are connected in a ring instead of a chain.

Origin of alicyclic

First recorded in 1890–95; ali(phatic) + cyclic Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for alicyclic

/ (ˌælɪˈsaɪklɪk, -ˈsɪk-) /


(of an organic compound) having aliphatic properties, in spite of the presence of a ring of carbon atoms

Word Origin for alicyclic

C19: from German alicyclisch, from ali (phatic) + cyclic
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

Medical definitions for alicyclic

[ ăl′ĭ-sīklĭk, -sĭklĭk ]


Of or relating to organic compounds having both aliphatic and cyclic characteristics or structures.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.