DNASE Meaning of DNASE in English (ˈ)dē¦enˌās, -ˌāz nounalso DNA·ase (ˌ)dēˌenˈāˌās, -ˌāz( -s )Etymology: DNase blend of DNA and -ase; DNAase from DNA + -ase : deoxyribonuclease Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012