n.
A hormone produced by the pancreas that stimulates an increase in blood sugar levels, thus opposing the action of insulin.
[Probably GLUC(O)- + Greek agōn, present participle of agein, to lead, drive.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
