Home › Forums › setting the stage › solids as quantum systems › Definition of Solids This topic has 0 replies, 1 voice, and was last updated 1 year, 11 months ago by Mark. Viewing 1 post (of 1 total) Author Posts January 9, 2023 at 10:55 pm #8230 MarkParticipant it is a material in which its constituent particles are tightly bonded to each other. 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