Definition of masterbatch in English:

masterbatch

noun

  • A concentrated mixture of components employed in the production of synthetic rubbers and plastics.

verb

  • with object To mix in a masterbatch.

Origin

1930s. From master + batch<br>1970s. From masterbatch. Compare earlier masterbatching.

Pronunciation

masterbatch

/ˈmɑːstəbatʃ//ˈmastəbatʃ/