Check Engine Lamp 
Check Engine Light 
carbon equilibrium loop 
California Eastern Laboratories 
celestial 
Chemical Engineering Laboratory 
Commission on Environmental Law 
Carbon-Equivalent, Liquidus 
carboxyl ester lipase 
Carrollton Elementary 
Celecoxib 
Celery 
celesta 
Cellar 
cellulase 
cellulose 
Celsior 
Celtic 
Central Electronics Limited 
central nucleus of the amygdala 
Centre for Excellence in Leadership 
Cerium L-Alpha 
channel effluent limit 
chicken embryo liver 
chronic eosinophilia leukemia 
Chronic eosinophilic leukemia 
Civil Engineering Laboratory 
Civilian Employment Level 
CLE ELUM LIBRARY 
Clinical Environmental Laboratory