What does "ectohormone" mean?

Any hormone that is secreted into an individual's environment and affects the behaviour or activity of another individual (of the same or different species) in the manner of a pheromone.

Ectohormone

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
Any hormone that is secreted into an individual's environment and affects the behaviour or activity of another individual (of the same or different species) in the manner of a pheromone.

Etymology

From ecto- + hormone.

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