ˈd(y)u̇ˌrēn noun
( -s )
Etymology: International Scientific Vocabulary dur- (from Latin durus hard) + -ene
: a colorless crystalline hydrocarbon C 6 H 2 (CH 3 ) 4 having an odor like camphor and occurring in coal tar and in petroleum; 1,2,4,5-tetramethyl-benzene