monochlorinated
/ˌmɒnə(ʊ)ˈklɔːrɪneɪtɪd/ /ˌmɒnə(ʊ)ˈklɒrɪneɪtɪd/Chemistry
adjective
Designating an organic compound in which one chlorine atom has been substituted in or added to the molecule.
Origin
Mid 19th century; earliest use found in Henry Watts (1815–1884), chemist. From mono- + chlorinated, perhaps after French monochloré.