trigger mechanism: meaning, definition, pronunciation and examples

It is a two-word compound noun. It is not hyphenated in standard modern usage except when used attributively (as an adjective before another noun) where a hyphen is sometimes used for clarity (e.g., 'trigger-mechanism design'), but the closed form 'trigger mechanism' is more common.

Yes, this is a common metaphorical extension. In psychology, a 'trigger mechanism' can refer to a specific stimulus, memory, or thought pattern that initiates a strong emotional or behavioural response, such as a panic attack or a relapse.

A 'trigger' is typically the specific component you interact with (e.g., the lever you pull). The 'trigger mechanism' is the entire internal assembly of parts that connects the trigger's movement to the device's function (e.g., releasing a hammer, opening a valve). In metaphorical use, the terms are often used interchangeably, though 'mechanism' implies a more complex, systemic process.

Indirectly. Content warnings refer to 'triggers' in the psychological sense (stimuli that may cause distress). The term 'trigger mechanism' is not typically used in that specific social media context; it retains a more systemic or technical connotation.

The physical or procedural part of a device that initiates its main function, especially the part of a firearm that releases the firing pin.

Trigger mechanism is usually technical/formal in register.

Trigger mechanism: in British English it is pronounced /ˈtrɪɡə ˌmekənɪz(ə)m/, and in American English it is pronounced /ˈtrɪɡər ˌmekənɪzəm/. Tap the audio buttons above to hear it.