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Pronunciation varies by accent · noun
(engineering) A nut with a knurled rim which can be turned with thumb and forefinger..
Use thumbnut when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Thumbnut means (engineering) A nut with a knurled rim which can be turned with thumb and forefinger..
Common synonyms include wingnut, wing nut, wing screw.
The opposite depends on the specific sense.
Use thumbnut where its definition matches the intended context.
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