[sek-uh-nawl, -nal, -nl]
- a brand of secobarbital.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Word Origin and History for seconal
1935, U.S. proprietary name (Eli Lilly & Co.), from Secon(dary) Al(lyl).
Online Etymology Dictionary, © 2010 Douglas Harper