primer
- noun
- /ˈpraɪmər/
- Specialized
- The primer is essential for ensuring that the rocket launches safely by igniting the fuel.
And then he yells out of Lockbart at me and fucking pops the primer on a on a grenade and I hear that it's very audible.
- And then he yells out of Lockbart at me and fucking pops the primer on a on a grenade and I hear that it's very audible.
Examples
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To ignite the explosive charge, the technician carefully inserted the firing pin into the primer.
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When the firing pin strikes the primer, it creates a spark, igniting the powder, which accelerates the bullet through the barrel.
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The tip has to drive into the primer to set off the shell.
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Check the point of ignition from the primer.
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We still have a hundred pounds of explosives and fifty primers.
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The cartridge case holds the bullet, gunpowder, and a primer.
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Each bullet cartridge contains gunpowder and a primer that ignites the propellant when struck.
Synonyms
A small device used to make a gun or shell fire
A small part that starts the burning of explosive material in a shell or rocket
A small device that makes a spark or flame to light fuel
Compounds
- Specialized
A thin first layer of paint that helps later paint stick and last longer
- Archaic
A size of printed letters equal to 36 points used for large headings
- Archaic
A size for printed letters that printers often use for headings, about 36 points
Surface Forms
Morphology
Etymology
Primer for ammunition comes from the same root prim- meaning 'first' and the idea 'to prepare', because the primer is the tiny first charge that 'starts' or prepares a bullet to fire.