exonuclease
ex o nu cle ase |ˌeksōˈn (y )o͞oklēˌās ˌɛksoʊˈnjuklieɪs | ▶noun Biochemistry an enzyme that removes successive nucleotides from the end of a polynucleotide molecule.
exonuclease |ˌɛksəʊˈnjuːklɪeɪz | ▶noun Biochemistry an enzyme which removes successive nucleotides from the end of a polynucleotide molecule.