gibberellin
/ˌdʒɪbəˈrɛlɪn/
noun
- Any of a group of plant hormones that control growth, such as stem lengthening and seed development.
- Scientists study gibberellins to understand how plants respond to light.
- Adding gibberellins to rice fields can increase crop yield.
- Gibberellins are naturally produced by plants to regulate their height.