one of a group of organic compounds, secreted by an ascomycetous fungus (Gibberella fujikuroi), which behave like plant hormones in stimulating seed germination, growth of roots, leaves, and stems, etc.
Origin of gibberellinfrom Modern Latin Gibberella (dim. of Classical Latin gibber, hump on the back from gibbus: see gib) + -in
Any of several plant hormones, such as gibberellic acid, that stimulate stem elongation, seed germination, and other physiological processes.
Origin of gibberellinFrom New Latin Gibberella (fujikoroī) the fungus from which a gibberellin was first isolated from Latin gibberella feminine diminutive of gibber hump (from the humplike shape of the genus's perithecia)