S: (v) conserve (conserve%2:42:00::) (keep constant through physical or chemical reactions or evolutionary change) "Energy is conserved in this process"
S: (v) conserve (conserve%2:40:02::), preserve (preserve%2:40:00::), maintain (maintain%2:40:00::), keep up (keep_up%2:40:00::) (keep in safety and protect from harm, decay, loss, or destruction) "We preserve these archeological findings"; "The old lady could not keep up the building"; "children must be taught to conserve our national heritage"; "The museum curator conserved the ancient manuscripts"