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straight-chain

[ streyt-cheyn ]

noun

, Chemistry.
  1. an open chain of atoms, usually carbon, with no side chains attached to it.

straight chain

noun

    1. an open chain of atoms in a molecule with no attached side chains
    2. ( as modifier )

      a straight-chain hydrocarbon

“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

straight chain

  1. 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.
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Word History and Origins

Origin of straight-chain1

First recorded in 1925–30
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Example Sentences

Now we have a new Chain, a strong and a straight Chain, that cannot be broken.

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straight bill of ladingstraight chair

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