Home › Forums › setting the stage › solids as quantum systems › definition of a solid This topic has 0 replies, 1 voice, and was last updated 2 weeks, 1 day ago by alexander_s. Viewing 1 post (of 1 total) Author Posts September 28, 2025 at 8:43 am #13195 alexander_sParticipant A solid is a material object that preserves its shape under the action of an inhomogeneous force field of a moderate intensity over the time interval of interest. 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