n.
A synthetic narcotic drug, C19H27NO, used as an analgesic, often in place of morphine.
[PENT(A)- + AZ(O)- + OC(T)- + -INE2.]
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.