firing pin: meaning, definition, pronunciation and examples
LowTechnical
Quick answer
What does “firing pin” mean?
A component in a firearm that strikes the primer of a cartridge to initiate firing.
Audio
Pronunciation
Definition
Meaning and Definition
A component in a firearm that strikes the primer of a cartridge to initiate firing.
A mechanism in any device that initiates an action by striking; often used metaphorically for a critical initiator of a process.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or usage differences. Same term used in both UK and US firearms contexts.
Connotations
Strongly associated with firearms, technical engineering, and military contexts. Can carry a negative connotation when used metaphorically in non-technical contexts (e.g., "he was the firing pin of the conflict").
Frequency
Frequency is very low in general language, confined almost exclusively to technical (firearms/engineering), military, and crime genres. Identical frequency profile in both varieties.
Grammar
How to Use “firing pin” in a Sentence
The [firearm] has a [broken/replaced] firing pin.A [specific] firing pin [strikes/initiates] the primer.Inspect/Replace the firing pin [in/on] the [weapon].Vocabulary
Collocations
Examples
Examples of “firing pin” in a Sentence
adjective
British English
- firing-pin assembly (hyphenated compound adjective)
- firing-pin protrusion check
American English
- firing pin channel (open compound adjective)
- firing pin test
Usage
Meaning in Context
Business
Rare. Possibly metaphorical: "The new policy was the firing pin for market disruption."
Academic
Used in history (military history), engineering, and forensic science contexts.
Everyday
Extremely rare outside of conversations about firearms, hunting, or military topics.
Technical
The primary domain. Used in firearms manuals, engineering, ballistics, forensics, and military training.
Vocabulary
Synonyms of “firing pin”
Vocabulary
Antonyms of “firing pin”
Watch out
Common Mistakes When Using “firing pin”
- Using 'firing pin' as a verb (e.g., 'He firing pinned the gun').
- Confusing it with the trigger (the firing pin is internal, the trigger is external).
- Spelling as one word 'firingpin'.
FAQ
Frequently Asked Questions
No. The trigger is an external lever you pull. The firing pin is an internal component that is released by the trigger mechanism to strike the ammunition.
Rarely and only metaphorically (e.g., 'The leaked email was the firing pin for the investigation'). Its primary meaning is strictly technical and related to firearms.
The firearm becomes incapable of firing, as there is no component to strike the primer of the cartridge. This is a 'mechanical failure'.
Yes. It is a noun phrase consisting of the gerund 'firing' (acting as an attributive noun) and the noun 'pin'. It is typically written as two words.
A component in a firearm that strikes the primer of a cartridge to initiate firing.
Firing pin is usually technical in register.
Firing pin: in British English it is pronounced /ˈfaɪə.rɪŋ ˌpɪn/, and in American English it is pronounced /ˈfaɪr.ɪŋ ˌpɪn/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “be the firing pin of something (metaphorical: the initiator)”
- “pull the firing pin (metaphorical: set a decisive event in motion)”
Learning
Memory Aids
Mnemonic
Think of a pin (a small rod) whose job is to fire the gun. It "pins" the explosion to start.
Conceptual Metaphor
A SMALL OBJECT AS A CRITICAL INITIATOR. The tiny part is essential for the large event.
Practice
Quiz
What is the primary function of a firing pin?