This is the 10919th most frequent Spanish word.
detonante
Trigger or detonator.
In this sentence, 'detonante' is used metaphorically to describe something that triggers or initiates an emotional reaction.
El detonante de su enfado fue el comentario que hizo.
The trigger for his anger was the comment that was made.
Here, 'detonante' is used literally to refer to a device that initiates an explosive reaction.
La explosión fue causada por un detonante colocado junto a la puerta.
The explosion was caused by a detonator placed next to the door.
In this context, 'detonante' is metaphorically referring to an event that initiates significant changes or actions.