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A series of unsaturated aliphatic hydrocarbons, each containing one carbon-carbon triple bond, having chemical properties resembling acetylene and having the general formula CnH2n-2, with acetylene being the simplest member.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.