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closed chain

noun, Chemistry.
three or more atoms linked together to form a ring or cycle and represented accordingly by its structural formula.
Compare open chain.
Origin of closed chain
1900-05 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for closed-chain

closed chain

(chem) another name for ring1 (sense 18)
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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closed-chain in Science
closed chain
An arrangement of atoms of the same type that forms a ring. Benzene and naphthalene are closed-chain compounds.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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