Home › Forums › setting the stage › solids as quantum systems › Solid This topic has 0 replies, 1 voice, and was last updated 2 years, 2 months ago by akp. Viewing 1 post (of 1 total) Author Posts October 17, 2022 at 12:35 pm #7242 akpParticipant Something which has a definite form, has rigidity and long range periodic ordering in crystal structure is termed as solid. 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