Home › Forums › setting the stage › solids as quantum systems › Definition of a Solid This topic has 0 replies, 1 voice, and was last updated 1 year, 5 months ago by niamho246. Viewing 1 post (of 1 total) Author Posts June 27, 2023 at 1:59 pm #8593 niamho246Participant A solid has a closely packed arrangement of atoms, it also holds its shape. 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