gibberellin

American  

[jib-uh-rel-in] / ˌdʒɪb əˈrɛl ɪn /

noun

Biochemistry.

1. any of a class of growth hormones occurring in fungi and plants.

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gibberellin British  

/ ˌdʒɪbəˈrɛlɪn /

noun

1. any of several plant hormones, including gibberellic acid, whose main action is to cause elongation of the stem: used in promoting the growth of plants, in the malting of barley, etc

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gibberellin Scientific  

/ jĭb′ə-rĕl′ĭn /

1. Any of numerous plant hormones, especially gibberellic acid, that promote stem elongation. The seeds, young shoots, and roots of plants contain gibberellins, and they are also found in fungi.

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Etymology

Origin of gibberellin

1935–40; < New Latin Gibberell ( a ) ( see gibberellic acid) + -in ²

Example Sentences

Bayer’s genetic engineers have focused on a plant growth hormone called gibberellin.

From Science Magazine • Oct. 25, 2023

To speed up the process, Bayer and other companies are working on short corn made with gene editing, an approach that can alter gibberellin without adding genes from other species.

From Science Magazine • Oct. 25, 2023

Decades ago researchers knocked out the genes that control early steps in gibberellin synthesis, but the result was plants that had deformed flowers and abnormal ears.

From Science Magazine • Oct. 25, 2023

The lower stem nodes of these varieties make insufficient amounts of gibberellin to activate internode elongation.

From Nature • Jul. 14, 2020

The activation of this cell division and elongation process requires the growth hormone gibberellin.

From Nature • Jul. 14, 2020