olemus
Wiktionary verb:
1. (ergative) to change (or to be changed) from a solid state to a liquid state, usually by a gradual heat

näide
ISO/IEC 27040:
andmekandjat vedeldamise teel hävitama,
enamasti kuumust rakendades
=
destruct by changing media from a solid to a liquid state generally by the application of heat

ülevaateid
https://en.wikipedia.org/wiki/Melting