Definition of monochlorination in English:

monochlorination

Pronunciation /ˌmɒnə(ʊ)klɔːrɪˈneɪʃn/ /ˌmɒnə(ʊ)klɒrɪˈneɪʃn/

noun

Chemistry
  • The action or process of introducing a single chlorine atom into a molecule.

Origin

1960s. From mono- + chlorination, after monochlorinated.