propargyl
noun
pro·par·gyl
prōˈpärjə̇l
plural -s
: a univalent unsaturated radical HC≡CCH2− derived from methylacetylene by removal of one hydrogen atom
propargyl alcohol
Word History
Etymology
International Scientific Vocabulary prop- + arg- (from Greek argyros silver) + -yl; from the possible replacement of a hydrogen atom by one of silver