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primer

primer

7 8.8
A small part that makes a bullet fire when hit
  • noun
  • /ˈpraɪmər/
  • Specialized
translation icon : cápsula fulminante
  • 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.

Examples

  • To ignite the explosive charge, the technician carefully inserted the firing pin into the primer.

  • When the firing pin strikes the primer, it creates a spark, igniting the powder, which accelerates the bullet through the barrel.

  • The tip has to drive into the primer to set off the shell.

  • Check the point of ignition from the primer.

  • We still have a hundred pounds of explosives and fifty primers.

  • The cartridge case holds the bullet, gunpowder, and a primer.

  • Each bullet cartridge contains gunpowder and a primer that ignites the propellant when struck.

Synonyms

priming
vsprimer
  • Specialized
1 8.1

A small device used to make a gun or shell fire

is the general term for the same function in ammunition and explosives
fuze
vsprimer
  • Specialized
1 9.9

A small part that starts the burning of explosive material in a shell or rocket

is the general label for any substance or device that ignites propellant charges
ignitor
vsprimer
  • Specialized
6.7

A small device that makes a spark or flame to light fuel

focuses specifically on igniting propellant charges in ammunition or explosives

Compounds

primer coat
  • Specialized
1 5.2

A thin first layer of paint that helps later paint stick and last longer

9.9

A size of printed letters equal to 36 points used for large headings

9.9

A size for printed letters that printers often use for headings, about 36 points

Surface Forms

primer singular
primers plural

Morphology

primer = prime (transparent) = prime + er

This sense is a direct agent/device nominalization: a 'primer' is something that primes (causes ignition).

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.