a hormone that triggers a biochemical reaction at a site removed from its release.
IT’S A WORD OF THE DAY QUIZ BONANZA!
This windfall of words will make you rich with knowledge. Mine your memory on the words from July 27 to August 2!
Question 1 of 7
What does "scattergood" mean?
a person who acts as though he or she knows everything and who dismisses the opinions, comments, or suggestions of others.
a person who spends possessions or money extravagantly or wastefully; spendthrift.
a well-intentioned but naive and often ineffectual social or political reformer.TAKE THE QUIZ TO FIND OUT
Compare second messenger.
Origin of first messenger
First recorded in 1975–80
Words nearby first messenger
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020