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English definition of “fluff”

fluff

noun [U] (SOFT MASS)   /flʌf/
a soft mass of fibers , feathers , or hair : cotton fluff The cat , a ball of white fluff, darted into the house and started to lick its fur . We’d lie on our backs and blow the dandelion fluff into the neighbor’s yard .
(Definition of fluff noun (SOFT MASS) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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