Meaning of dextranase

dex•tran•ase

Pronunciation: (dek'stru-nās", -nāz"), [key]
— n. Biochem.
  1. an enzyme that hydrolyzes dextran to smaller oligosaccharides: used in dentifrices to dissolve dental plaque.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.