Circannual

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Of biological processes: having or occurring in annual cycles or periods not-comparable

    "Light pollution can interfere with the circannual migration of birds."

Synonyms

All synonyms
circumannual

Example

More examples

"Light pollution can interfere with the circannual migration of birds."

Etymology

Formed as Latin circā (“about”) + annual, after circadian.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.