unofficial

unofficial definition - medical

un·of·fi·cial (ŭnˌə-fĭshˈəl)

adjective
Of or being a drug that is not listed in the United States Pharmacopeia or the National Formulary.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.