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Pronunciation varies by accent · noun
(military, firearms) The identification marking on the base (bottom) of a cartridge casing..
Photographs were taken of the weapons' serial numbers and [of the] markings on the bottoms of the cartridge casings, known as headstamps, which can reveal where and when ammunition was made.
Use headstamp when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Headstamp means (military, firearms) The identification marking on the base (bottom) of a cartridge casing..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Photographs were taken of the weapons' serial numbers and [of the] markings on the bottoms of the cartridge casings, known as headstamps, which can reveal where and when ammunition was made.
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