(medicine) Initialism of do not resuscitate, a legal document by which a patient may direct which medical procedures they do and do not wish to undergo in the case that they are incapacitated.

Initialism of Department of Natural Resources.

(US politics) Initialism of Democratic National Committee. / (law) Initialism of District of North Carolina, a former United States federal court.

(US politics) Initialism of Democratic National Convention. / Initialism of direct numerical control. / Initialism of distributed numerical control.

Initialism of did not compete.

Abbreviation of di-n-octyl phthalate.

A collection of microscopic DNA spots attached to a solid surface forming an array; used to measure the expression levels of large numbers of genes simultaneously.

(genetics) Any portion of the DNA sequence of a chromosome or a genome with no apparent function.

(biochemistry) An enzyme that assists DNA replication.

(sports) Initialism of did not finish. / (geocaching) Initialism of did not find. / (Internet slang, social media) Initialism of do not follow.