1Protein derived from soybeans, used as a replacement for animal protein in foods and fodder.British term soya‘I'm trying to add more soy into my diet’
- ‘soy is a key ingredient in livestock feed’
2The soybean plant.‘soy is the nation's leading source of food-grade oil’
- ‘the most common GMOs are soy, corn, canola, and cotton’
Late 17th century from Japanese soy, shoy, variant of shō-yu, from Chinese shi-yu, from shi ‘salted beans’ + yu ‘oil’.
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