Cyclo propane

cyclopropane

[sahy-kluh-proh-peyn, sik-luh-]
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:
1890–95; cyclo- + propane

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World English Dictionary
cyclopropane (ˌsaɪkləʊˈprəʊpeɪn, ˌsɪk-)
 
n
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

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American Heritage
Science Dictionary
cyclopropane   (sī'klə-prō'pān', sĭk'lə-)  Pronunciation Key 
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.
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