Try Our Apps
Dictionary.com

follow Dictionary.com

2017 Word of the Year

first messenger

noun, Biochemistry.
1.
a hormone that triggers a biochemical reaction at a site removed from its release.
Compare second messenger.
Origin of first messenger
1975-1980
First recorded in 1975-80
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source

Word of the Day

Nearby words for first messenger

Word Value for first

8
8
Scrabble Words With Friends