Home › Forums › setting the stage › solids as quantum systems › Solid definition This topic has 0 replies, 1 voice, and was last updated 1 month, 2 weeks ago by mamajajalloh39144@gmail.com. Viewing 1 post (of 1 total) Author Posts April 4, 2025 at 7:31 pm #12410 mamajajalloh39144@gmail.comParticipant A solid is a physical state of matter that has a regular crystalline structure 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