acyclic

Definitions of acyclic
  1. adjective
    not cyclic; especially having parts arranged in spirals rather than whorls
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    Antonyms:
    cyclic
    forming a whorl or having parts arranged in a whorl
    verticillate, verticillated, whorled
    forming one or more whorls (especially a whorl of leaves around a stem)
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  2. adjective
    having an open chain structure
    synonyms: open-chain
    aliphatic
    having carbon atoms linked in open chains
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    Antonyms:
    cyclic
    of a compound having atoms arranged in a ring structure
    bicyclic
    having molecules consisting of two fused rings
    closed-chain, closed-ring
    having atoms linked by bonds represented in circular or triangular form
    heterocyclic
    containing a closed ring of atoms of which at least one is not a carbon atom
    homocyclic, isocyclic
    containing a closed ring of atoms of the same kind especially carbon atoms
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