Definition of oleomargarine in English:

oleomargarine

Pronunciation /ˌōlēōˈmärj(ə)rən/ /ˌoʊlioʊˈmɑrdʒ(ə)rən/

noun

  • 1A fatty substance extracted from beef fat and used in the manufacture of margarine.

    1. 1.1North American
      another term for margarine
      • ‘Thus it happened that the original ‘oleomargarine’ was a fruit product!’