To tumble dry is to dry clothes in a heated spinning drum. Do not tumble dry.
It is what shrinks wool and what wears cotton out, since the fluff in the filter is the fabric. A heat pump machine is far cheaper to tumble dry with, because it reuses the warm air.
1phrasetumble dryTo dry clothes in a heated spinning drum.
“The label said do not tumble dry and the jumper is now doll-sized.”
tumble dry is an action.
Practised in Cleaning & Housework