abscisic acid

[ab-sis-ik, -siz-]

ab·scis·ic ac·id

[ab-sis-ik, -siz-]
noun Biochemistry.
a growth-regulating plant hormone, C15H20O4, that promotes dormancy and the aging and abscission of leaves.

Origin:
abscis(sion) + -ic, on the model of the earlier name abscisin (see -in2), coined in 1961
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To abscisic acid

00:10

00:09

00:08

00:07

00:06

00:05

00:04

00:03

00:02

00:01

Abscisic acid is always a great word to know.
So is neptunium. Does it mean:
Symbol: Np; atomic weight: 237; atomic number: 93
Symbol: B; atomic weight: 10.811; atomic number: 5
American Heritage
Science Dictionary
abscisic acid   (āb-sĭz'ĭk)  Pronunciation Key 
A plant hormone that maintains the water balance of plants, prevents seed embryos from germinating, and induces the dormancy of buds and seeds. Chemical formula: C15H20O4.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Dictionary.com, LLC. Copyright © 2012. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT