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[sahy-kluh-proh-peyn, sik-luh-] /ˌsaɪ kləˈproʊ peɪn, ˌsɪk lə-/
noun, Chemistry, Pharmacology.
a colorless, flammable gas, C 3 H 6 , used in organic synthesis and in medicine as an anesthetic.
Also called trimethylene.
Origin of cyclopropane
1890-95; cyclo- + propane Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for cyclopropane


/ˌsaɪkləʊˈprəʊpeɪn; ˌsɪk-/
a colourless flammable gaseous hydrocarbon, used in medicine as an anaesthetic; trimethylene. It is a cycloalkane with molecules containing rings of three carbon atoms. Formula: C3H6; boiling pt: –34°C
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
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cyclopropane in Science
  (sī'klə-prō'pān', sĭk'lə-)   
A highly flammable, explosive, colorless gas that was once in wide use as an anesthetic but has been mostly replaced by less flammable gases. The three carbon atoms of cyclopropane form a triangular ring. Chemical formula: C3H6.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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