Home › Forums › setting the stage › solids as quantum systems › Solid Definition This topic has 0 replies, 1 voice, and was last updated 1 year, 2 months ago by k.ozmert. Viewing 1 post (of 1 total) Author Posts October 4, 2023 at 6:40 pm #9308 k.ozmertParticipant The highly ordered form of matter in which the particles are only allowed to vibrate. Solids have definite mass, shape and volume as crystalline or amorphous. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In