DNasePronunciation: /ˌdiːɛnˈeɪz/Definition of DNase noun [mass noun] Biochemistry an enzyme which catalyses the hydrolysis of DNA into oligonucleotides and smaller molecules. Also called deoxyribonuclease.Origin: 1940s: from DNA + -aseDNase in other Oxford dictionaries Definition of DNase in the US English dictionary
