WordReference Random House Unabridged Dictionary of American English © 2025
en•do•nu•cle•ase
(en′dō no̅o̅′klē ās′, -āz′, -nyo̅o̅′-),USA pronunciation n. [Biochem.]
- Biochemistryany of a group of enzymes that degrade DNA or RNA molecules by breaking linkages within the polynucleotide chains.
- endo- + nuclease 1960–65