D defs.my
Entry 1 sense Webster, 1913

gibberellin

· IPA
01 n. Any of a number plant growth hormones, the first of which was isolated in 1938 from the fungus Gibberella fujikuroi; more than 60 related g…
  1. 1.
    Any of a number plant growth hormones, the first of which was isolated in 1938 from the fungus Gibberella fujikuroi; more than 60 related gibberelins are known. The most important is gibberellin A3, also called gibberellic acid. They are used in agriculture for promoting plant growth.(Chem.)