type of barbiturate, originally used to calm patients before anesthesia and operation, 1930, proprietary name of pentobarbitone sodium, formed from letters and syllables from N(a) "sodium" + full chemical name 5-ethyl-5-1-methylbutyl barbiturate.
nem. con.
nemato-
nematocyst
Nematoda
nematode
Nembutal
Nemean
nemesis
nemo
neo-
neo-classical
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