Definition of monohalogenated in English:

monohalogenated

Pronunciation /ˌmɒnə(ʊ)ˈhalədʒəneɪtɪd/

adjective

Chemistry
  • Containing one atom of a halogen substituted for another atom or group (usually hydrogen).

Origin

Early 20th century; earliest use found in Chemical News. From mono- + halogenated.