Home › Forums › setting the stage › solids as quantum systems › Defination of solid This topic has 1 reply, 1 voice, and was last updated 2 years ago by vinnii. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts December 14, 2022 at 12:46 pm #8190 vinniiParticipant solid is a state of matter with fixed shape and volume. Solids are rigid and can not be compressed easily December 14, 2022 at 12:48 pm #8191 vinniiParticipant particles in solid are closely packed together and contain the least amount of kinetic energy. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In