destructor

About 0.17 uses per million words.

Meaning

1. adjective A taxonomic descriptor, a specific epithet, for naming species that are destructive in some manner.
2. noun One who destructs.
3. noun A furnace or oven for the burning or carbonizing of refuse.
4. noun A function that runs when an object is no longer required, used to release any resources that it was using.

Similar words

demolisher devastator disintegrator dismantler annihilator deformer deteriorator demolitionist dismemberer ruinator

Often followed by

is for and of at function in to functions