apical dominance
nounBotany.
suppression of the development of lateral buds in a growing plant shoot, caused by hormones produced in the tip of the shoot.
Origin of apical dominance
1First recorded in 1945–50
Words Nearby apical dominance
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Scientific definitions for apical dominance
apical dominance
[ ā′pĭ-kəl, ăp′ĭ- ]
Inhibition of the growth of lateral buds by the terminal bud of a plant shoot. In most plants, apical dominance results from the release of auxin by the apical meristem.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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