- The official nonproprietary name of a drug, under which it is licensed and identified by the manufacturer.
- The first name of the two-part Latin taxonomic name of an organism, which specifies the biological genus.
- A designation formerly used to indicate the class or type of a compound.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.