Home › Forums › setting the stage › solids as quantum systems › Definition of a solid This topic has 0 replies, 1 voice, and was last updated 2 years, 2 months ago by nanobooster. Viewing 1 post (of 1 total) Author Posts October 2, 2022 at 5:15 pm #6786 nanoboosterParticipant If atoms that composed the matter can only vibrate around specific position, then the matter is solid. 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