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Pronunciation varies by accent · noun
(firearms) The front surface of a bolt in a firearm or back of the firing chamber, against which the cartridge rests..
Use boltface when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Boltface means (firearms) The front surface of a bolt in a firearm or back of the firing chamber, against which the cartridge rests..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use boltface where its definition matches the intended context.
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