Home › Forums › setting the stage › solids as quantum systems › Definition of solid This topic has 0 replies, 1 voice, and was last updated 7 months ago by Mona Devi. Viewing 1 post (of 1 total) Author Posts September 19, 2024 at 6:19 am #11185 Mona DeviParticipant A state of matter in which all the constituent atoms are packed closely. 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