concretion

n (fml 文) mass formed when sth soft or liquid becomes hard or solid 凝结; 凝固; 固结.

conciseness, concision, concision, conclave, conclude, conclusion, conclusive, conclusively, concoct, concoction, concomitant, concord, concordance, concordant, concordat, concourse, concrete, concrete mixer, concrete music, concrete poetry, concretely, concubine, concupiscence, concur, concurrence, concurrent, concurrently, concuss, concussion, condemn, condemnation, condemned, condemned cell, condensation, condensation trail, condense, condensed, condenser, condescend, condescending, condescendingly,