Definition of oleomargarine in English:
 oleomargarine
noun ˌəʊlɪəʊˈmɑːdʒəriːnˌoʊlioʊˈmɑrdʒ(ə)rən
mass noun1A fatty substance extracted from beef fat and used in the manufacture of margarine.
 Example sentencesExamples
-  The French food chemist Mege-Mouiries responded to the invitation and invented oleomargarine, made from beef tallow, in 1869.
 -  It was then averred that to impose upon the colored oleomargarine a tax of ten cents per pound would burden it with such a charge as to render it impossible to make and sell it in competition with butter, and therefore the result of imposing a tax of ten cents a pound on oleomargarine when artificially colored would destroy the oleomargarine industry.
 
- 1.1North American 
old-fashioned term for margarine
 Example sentencesExamples
-  Thus it happened that the original ‘oleomargarine’ was a fruit product!
 
 
  Definition of oleomargarine in US English:
 oleomargarine
nounˌōlēōˈmärj(ə)rənˌoʊlioʊˈmɑrdʒ(ə)rən
1A fatty substance extracted from beef fat and used in the manufacture of margarine.
 Example sentencesExamples
-  The French food chemist Mege-Mouiries responded to the invitation and invented oleomargarine, made from beef tallow, in 1869.
 -  It was then averred that to impose upon the colored oleomargarine a tax of ten cents per pound would burden it with such a charge as to render it impossible to make and sell it in competition with butter, and therefore the result of imposing a tax of ten cents a pound on oleomargarine when artificially colored would destroy the oleomargarine industry.
 
- 1.1North American 
another term for margarine
 Example sentencesExamples
-  Thus it happened that the original ‘oleomargarine’ was a fruit product!