Definition of superfood noun from the Oxford Advanced American Dictionary

 

superfood

 noun
noun
NAmE//ˈsupərˌfud//
 
 
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a type of food that some people think is very good for you and helps to prevent disease the health benefits of so-called superfoods Pomegranates and blueberries are marketed as superfoods.
See the Oxford Advanced Learner's Dictionary entry: superfood