Nyctinasty

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The movement of leaves or petals in response to darkness; the closing of a flower at night. uncountable

Synonyms

All synonyms
nyctinastismnyctitropismsleep

Etymology

From nycti- + -nasty. By surface analysis, nycti- + -nast + -y.

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