Trigger

desencadenante

(event that initiates others, or incites a response)

desencadenante

(pulse in an electronic circuit that initiates some component)

detonador

(event that initiates others, or incites a response)

detonante

(event that initiates others, or incites a response)

disparadero

(finger-operated lever used to fire a gun)

disparador

(finger-operated lever used to fire a gun)

gatillo

(finger-operated lever used to fire a gun)

perrillo

(finger-operated lever used to fire a gun)

alterar

(to spark a response, especially a negative emotional response, in (someone))

apretar el gatillo

(to fire a weapon)

chejear

(to fire a weapon)

desencadenar

(to initiate something)

desencadenar

(to spark a response, especially a negative emotional response, in (someone))

gatillar

(to fire a weapon)

repatear

(to spark a response, especially a negative emotional response, in (someone))