English

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Etymology

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From tri- +‎ cyclic.

Pronunciation

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Adjective

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tricyclic (not comparable)

  1. (chemistry) Having three rings of atoms in the molecule.
    a tricyclic antidepressant
    Anthracene is tricyclic.
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Translations

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Noun

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tricyclic (plural tricyclics)

  1. (chemistry) Any tricyclic compound.
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Note 1