Home › Forums › setting the stage › solids as quantum systems › Defn of solid This topic has 0 replies, 1 voice, and was last updated 1 year, 2 months ago by glo. Viewing 1 post (of 1 total) Author Posts September 27, 2023 at 8:48 am #9053 gloParticipant In physics and materials science, a solid is a state of matter characterized by a well-defined shape and volume. 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