Any of various hormones produced by plants that control or regulate germination, growth, metabolism, or other physiological activities. Auxins, cytokinins, gibberellins, and abscisic acid are examples of plant hormones. Also called phytohormone
What plant word links the new poet laureate, the dollar bill, and a nymph?The nation has new a poet laureate, W.S. Merwin, who has written more than 30 books of poetry, translation, and prose over the past 60 years. Despite what Merwin’s title says, don’t expect him to parade around the Library of Congress with a leaf wreath on his head. The word “laureate” is derived from Latin, meaning “crowned with laurel.”Also known as the sweet bay, or just …
pillow talkRead more in this article about some frequently asked questions and fun facts related to our definitions.
- plant agreement,
- plant bug,
- plant city,
- plant food,
- plant kingdom,
- plant louse,
- plant out,
- plant pathology,
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.