cem noun1 •(UK, informal) cemeteryI'm planning a trip to the cem next week to gather some genealogical information. formsCEMs · cems
CEM noun2 •Initialism of cation exchange membrane. •Initialism of Cascade-exciton model.The proposed cascade-exciton model (CEM) combines features of cascade and exciton models for nuclear reactions. — 1983 formsCEMs