gibberellin
noun
gib·ber·el·lin
ˌji-bə-ˈre-lən 
: any of several growth-regulating plant hormones that promote cell elongation and activity of the cambium, induce parthenocarpy, and stimulate synthesis of nucleic acids and proteins
Examples of gibberellin in a Sentence
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Powdered Kelp Meal: Another all-natural powerhouse, this powder increases natural plant growth hormones such as auxins, cytokines, and gibberellins (aka: powerful plant hormones).
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Kristin Guy, Sunset Magazine, 28 Feb. 2023
The seed has two hormones: abscisic acid (ABA), which sends the signal to stay dormant, and gibberellin (GA), which initiates germination.
—Jason Daley, Smithsonian, 9 June 2017
The seed has two hormones: abscisic acid (ABA), which sends the signal to stay dormant, and gibberellin (GA), which initiates germination.
—Jason Daley, Smithsonian, 9 June 2017
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Kristin Guy, Sunset Magazine, 28 Feb. 2023
The seed has two hormones: abscisic acid (ABA), which sends the signal to stay dormant, and gibberellin (GA), which initiates germination.
—Jason Daley, Smithsonian, 9 June 2017
The seed has two hormones: abscisic acid (ABA), which sends the signal to stay dormant, and gibberellin (GA), which initiates germination.
—Jason Daley, Smithsonian, 9 June 2017
Cite this Entry
“Gibberellin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gibberellin. Accessed 30 Apr. 2025.
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gibberellin
noun
gib·ber·el·lin
ˌjib-ə-ˈrel-ən
: any of several chemical substances that regulate the growth of plants
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