dichlorobenzene
[ dahy-klawr-uh-ben-zeen, -ben-zeen, -klohr- ]
/ daɪˌklɔr əˈbɛn zin, -bɛnˈzin, -ˌkloʊr- /
noun Chemistry.
any of three isomers consisting of benzene in which two of the hydrogen atoms are replaced by chlorine atoms: ortho-, meta-, and paradichlorobenzene.