Definition of monocolour in English:

monocolour

Pronunciation /ˈmɒnəʊˌkʌlə/

adjective

(US monocolor)
  • Having only one colour; monochrome.

noun

(US monocolor)
  • A representation in one colour.

Origin

1950s; earliest use found in Monumenta Nipponica. From mono- + colour.