straight chain

straight-chain

[streyt-cheyn]
noun Chemistry.
an open chain of atoms, usually carbon, with no side chains attached to it.
Also called straight chain.
Compare branched chain.


Origin:
1925–30

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
straight chain
 
n
Compare branched chain
 a.  an open chain of atoms in a molecule with no attached side chains
 b.  (as modifier): a straight-chain hydrocarbon

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage
Science Dictionary
straight chain  
An arrangement of atoms of the same type that forms an unbranched open chain. Propane is a straight-chain compound with a chain of three carbon atoms.
The American Heritage® Science Dictionary
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