Definition from Wiktionary, the free dictionary
See also: Appendix:Variations of "dao"
- (chemistry) De-asphalted oil, a crude oil refinery process stream.
- (computing) Disk-at-Once, an optical disk recording mode.
- (design patterns, software) Data Access Object, a design pattern used in software engineering.
- (firearms) Double action only, a trigger mechanism for semi-automatic firearms.