üliplastses olekus lehtmaterjali (nt pleki, termoplasti) vormimine surugaasi kasutades (vt termovormimine; vrd vaakumvormimine, mehaaniline termovormimine), shaping of preheated thermoplastic or superplastic metal sheet by means of positive pressure to force the heated material into the mold cavity (see: thermoforming; compare: vacuum thermoforming, mechanical thermoforming)