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gibberellin

Syllabification: (gib·ber·el·lin)

Pronunciation: /ˌjibəˈrelin/

Definition of gibberellin

noun

any of a group of plant hormones that stimulate stem elongation, germination, and flowering.

Origin:

1930s: from modern Latin Gibberella (from Gibberella fujikuroi, the fungus from which one of the gibberellins was first extracted), diminutive of the genus name Gibbera, from Latin gibber 'hump', + -in¹