an enzyme found in some bacteria, fungi, etc. capable of hydrolyzing cellulose into smaller molecules: used in brewing, septic systems, etc.
Origin of cellulasecellul(ose) + -ase
Any of several enzymes produced chiefly by fungi, bacteria, and protozoans that catalyze the hydrolysis of cellulose.
Origin of cellulasecellul(ose) + –ase.