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Dictionary

Words, grammatical forms and meanings linked to the ontology.

heliotaxis en · NOUN

Etymology

From helio- + taxis.

Meanings

  1. (uncountable) Phototaxis related to the sun. ▸ Movement of an organism toward sunlight; positive heliotaxis.
  2. (uncountable) Phototaxis related to the sun. ▸ Movement of an organism away from sunlight; negative heliotaxis.
    • Pronounced negative heliotaxis, evidently depending on some photodermatic sense, was apparent when the ants were exposed to the sun... 1903, William Morton Wheeler, “Some Notes on the Habits of Cerapachs Augustae”, in Psyche, 10(325-326), page 206: