open-chain

open chain

noun Chemistry.
a series of atoms linked in a chain not joined together at its ends, and so represented in its structural formula.
Compare closed chain.


Origin:
1880–85

open-chain, adjective
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Collins
World English Dictionary
open chain
 
n
a chain of atoms in a molecule that is not joined at its ends into the form of a ring

Collins English Dictionary - Complete & Unabridged 10th Edition
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Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
open chain  
An arrangement of atoms of the same type that does not form a ring. Aliphatic compounds, such as ethane and isopropyl alcohol, are open-chain compounds.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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