plant hormone

noun

Definition of plant hormone

  1. :  an organic substance other than a nutrient that in minute amounts modifies a plant physiological process; especially :  one produced by a plant and active elsewhere than at the site of production

First Known Use of plant hormone

1932


Medical Dictionary

plant hormone

play
noun \ˈplant-\

Medical Definition of plant hormone

  1. :  an organic substance other than a nutrient that in minute amounts modifies a plant physiological process; especially :  one produced by a plant and active elsewhere than at the site of production—called also phytohormone

Learn More about plant hormone


Seen and Heard

What made you want to look up plant hormone? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

the weight of a container

Get Word of the Day daily email!

Test Your Vocabulary

The Emoji Quiz

  • emoji-the-quiz
  • What phase of the moon is this: 🌖 ?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!