monochlorinate
/ˌmɒnə(ʊ)ˈklɔːrɪneɪt/ /ˌmɒnə(ʊ)ˈklɒrɪneɪt/Chemistry
verb
[with object] To introduce a single chlorine atom into (a compound, molecule, or molecular position) as a substituent.
Origin
1980s; earliest use found in Australian Journal Chemistry. From mono- + chlorinate, after monochlorinated.