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

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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To make a model of a branched polymer, connect some paper clips end-to-end exactly as you did to make a straight-chain polymer.
Alcohols may have straight-chain, branched-chain or ring structures.
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