Dideoxynucleotide vs. Deoxynucleotide: What's the Difference?

Dideoxynucleotide and Deoxynucleotide Definitions
Dideoxynucleotide
(biochemistry) Any nucleotide formed from a deoxynucleotide by loss of a second hydroxy group from the deoxyribose group
Deoxynucleotide
Any nucleotide that contains a deoxy sugar
Dideoxynucleotide
(biochemistry) Any oligonucleotide consisting of two deoxynucleotides