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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An arrangement of atoms that does not form a ring, as in silicon compounds and various carbon compounds, such as aliphatic hydrocarbons.

from the GNU version of the Collaborative International Dictionary of English

  • n.
  • adj. See Closed chain, under Chain.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a chain of atoms in a molecule whose ends are not joined to form a ring


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