phase change

transitions between solid, liquid and gaseous states of matter, and, in rare cases, plasma

en-GB/ˈfeɪz ˈt͡ʃeɪnd͡ʒ/
en-US/ˈfeɪz ˈt͡ʃeɪnd͡ʒ/

Categories:

change of statethermodynamic process paththreshold effect