Home › Forums › setting the stage › solids as quantum systems › Definition of solid This topic has 0 replies, 1 voice, and was last updated 1 year, 11 months ago by Priyanshu G.. Viewing 1 post (of 1 total) Author Posts January 14, 2023 at 3:54 pm #8251 Priyanshu G.Participant A solid is a system of closely packed atoms where the atoms are arranged in such a manner that they resist any change in their structure until any strong force is applied to break their internal bonding. 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