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Etymology edit

From Ancient Greek αὐξάνειν (auxánein, to grow).

Pronunciation edit

  • (file)

Noun edit

auxin (countable and uncountable, plural auxins)

  1. (botany, biochemistry) A class of plant growth substance (often called phytohormones or plant hormones) which play an essential role in coordination of many growth and behavioral processes in the plant life cycle.

Derived terms edit

Translations edit