n.
An antihypertensive drug, C8H8N4.
[HYDR(O)- + (PHTH)AL(IC ACID) + AZINE.]
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.