n.
Pronunciation: nal- ' trek- ˌ s ō n
Function: noun
Etymology: N-al lyl + trex- (as in methotrexate ) + -one
Date: 1973
: a synthetic opiate antagonist C 20 H 23 NO 4 administered in the form of its hydrochloride
n.
Pronunciation: nal- ' trek- ˌ s ō n
Function: noun
Etymology: N-al lyl + trex- (as in methotrexate ) + -one
Date: 1973
: a synthetic opiate antagonist C 20 H 23 NO 4 administered in the form of its hydrochloride
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012