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v. win·nowed, win·now·ing, win·nows
1. To separate the chaff from (grain) by means of a current of air.
2. To blow (chaff) off or away.
3. To examine closely in order to separate the good from the bad; sift: The judges winnowed a thousand essays down to six finalists.
a. To separate or get rid of (an undesirable part); eliminate: winnowing out the errors in logic.
b. To sort or select (a desirable part); extract: The investigators winnowed the facts from the testimony.
5. To blow on; fan: a breeze winnowing the tall grass.
1. To separate grain from chaff.
2. To separate the good from the bad.
1. A device for winnowing grain.
2. An act of winnowing.

[Middle English winnewen, alteration of windwen, from Old English windwian, from wind, wind; see wind1.]

win′now·er n.


[ˈwɪnəʊəʳ] winnowing machine [ˈwɪnəʊɪŋməˌʃiːn] Naventadora f


, winnowing machine
nWorfschaufel f, → Worfelmaschine f
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The new cacao processing equipment consists of a roaster, a de-sheller and winnower, grinder and melanguer which were among the 27 technologies showcased by the DOST during the launch of the 2017 Compendere of ITDI Technologies.
Ispaghol Processing Machinery designed and developed by Agricultural Engineering Institute (AEI), NARC/ PARC includes seed cleaner, de-bearder, de-husker, winnower and air classifier.
The work, called The Winnower, left, is made of metal, Mr Rice's favourite working material.
Ispaghol processing machinery designed and developed by Agricultural Engineering Institute of PARC includes seed cleaner, de-bearder, de-husker, winnower and
And then strange music drifted through the air like winds or river water or the rhythmic fall of grain threshed by the winnower. The forms grew indistinct as in a dream or canvas half begun which the painter's brush completes through memory alone.
I could not possibly build and ship my thresher/ winnower without gasoline or diesel-powered UPS delivery of motors and myriad other components (also used in the electric vehicles).
Thus Millet, who rendered his peasants actively toiling, wearing old, tattered clothing, was famously attacked by conservative critics for his Winnower (1848) and his Sorver (1850), much as Courbet had been condemned for presenting a socialist analysis in his Stone Breakers (1849).