English term or phrase: Margarine

Explanation:

According to Wikipedia : as a generic term, margarine can indicate any of a wide range of butter substitutes. In many parts of the world, margarine has become the best-selling table spread, although butter and olive oil also command large market shares. Margarine is an ingredient in the preparation of many other foods. In some regions people may refer to margarine as butter in informal speech, but in several countries laws forbid food packaging to refer to margarine as 'butter'.

It has no hindi synonim. So transliteration is the best policy.

Hindi Translation:

मार्जरीन, मारजरीन, कृत्रिम मक्खन