- thermoform⇄noun a process for shaping plastic by the application of heat.
Ex. A fairly new development ... is the thermoform process whereby thin plastic film ... is moulded into such objects as the subdivided holders in biscuit and chocolate boxes, and ligh - thermoform⇄thermoform, noun, verb.
- thermoform⇄v.t., v.i. to shape (plastic substances) into desired forms by the application of heat.