Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A plant hormone that promotes flowering.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun botany A supposed hormone that causes flowering in plants

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin flōs, flōr-, flower; see bhel- in Indo-European roots + –gen.]

Examples

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.

  • florigen a blooming gene (hormone)

    January 16, 2007