Definition of winnow verb from the Oxford Advanced Learner's Dictionary

 

winnow

 verb
verb
BrE BrE//ˈwɪnəʊ//
 
; NAmE NAmE//ˈwɪnoʊ//
 
Verb Forms present simple I / you / we / they winnow
BrE BrE//ˈwɪnəʊ//
 
; NAmE NAmE//ˈwɪnoʊ//
 
he / she / it winnows
BrE BrE//ˈwɪnəʊz//
 
; NAmE NAmE//ˈwɪnoʊz//
 
past simple winnowed
BrE BrE//ˈwɪnəʊd//
 
; NAmE NAmE//ˈwɪnoʊd//
 
past participle winnowed
BrE BrE//ˈwɪnəʊd//
 
; NAmE NAmE//ˈwɪnoʊd//
 
-ing form winnowing
BrE BrE//ˈwɪnəʊɪŋ//
 
; NAmE NAmE//ˈwɪnoʊɪŋ//
 
 
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winnow something to blow air through grain in order to remove its outer covering (called the chaff ) Word Origin Old English windwian, from wind, of Germanic origin. Phrasal Verbswinnow somebody out
See the Oxford Advanced American Dictionary entry: winnow

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