ortho-dichlorobenzene

[ awr-thuh-dahy-klawr-uh-ben-zeen, -ben-zeen, -klohr- ]
/ ˌɔr θə daɪˌklɔr əˈbɛn zin, -bɛnˈzin, -ˌkloʊr- /

noun Chemistry.

a colorless liquid with a pleasant odor, C6H4Cl2, used as a solvent for a wide range of organic materials.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019