Home › Forums › setting the stage › solids as quantum systems › my definition of a solid This topic has 0 replies, 1 voice, and was last updated 1 year, 2 months ago by fathimahibak. Viewing 1 post (of 1 total) Author Posts October 7, 2023 at 9:27 pm #9376 fathimahibakParticipant Solid is a state of matter composed of discrete basic units called atoms which strongly interact with each other, resulting in fixed shape and size. 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