The difference between Detonate and Trigger

Detonate as a verb (intransitive):

To explode; to blow up. Specifically, to combust supersonically via shock compression.

Detonate as a verb (transitive):

To cause to explode.

Trigger as a noun:

A finger-operated lever used to fire a gun.

Trigger as a noun:

A similar device used to activate any mechanism.

Trigger as a noun:

An event that initiates others, or incites a response.

Trigger as a noun:

A concept or image that upsets somebody.

Trigger as a noun (psychology):

An event, experience or other stimulus that initiates a traumatic memory or action in a person.

Trigger as a noun (music):

An electronic transducer allowing a drum, cymbal, etc. to control an electronic drum unit or similar device.

Trigger as a noun (music):

A device that manually lengthens (or sometimes shortens) the slide or tubing of a brass instrument, allowing the pitch range to be altered while playing.

Trigger as a noun (electronics):

A pulse in an electronic circuit that initiates some component.

Trigger as a noun (databases):

An SQL procedure that may be initiated when a record is inserted, updated or deleted; typically used to maintain referential integrity.

Trigger as a noun (online gaming):

A text string that, when received by a player, will cause the player to execute a certain command.

Trigger as a noun (archaic):

A catch to hold the wheel of a carriage on a declivity.

Trigger as a verb (transitive):

To fire a weapon.

Trigger as a verb (transitive):

To initiate something.

Trigger as a verb (transitive, sensitive):

To spark a response, especially a negative emotional response, in (someone).

Trigger as a verb (intransitive, especially, electronics):

To activate; to become active.