Disintegrator

Disintegrators were weapons used for disintegration.

The moment an Ogron is shot with an ultrasonic disintegrator. (TV: Day of the Daleks)

A disintegrator gun was a handheld weapon which effectively disintegrated the target. (TV: Day of the Daleks)

The Game Station used transmats disguised as disintegrator beams in 200,100. (TV: Bad Wolf/The Parting of the Ways)