(video games, board games) Initialism of point blank area of effect (when the affected region is centred on the same character who is casting the spell etc.)

(genetics) Abbreviation of mitochondrial DNA.

plural of middle name

(biochemistry) Any of various signalling molecules made by oxygenation of twenty-two-carbon essential fatty acids, especially docosahexaenoic acid, including some resolvins and the docosatrienes.