plural of AUC

(historical) According to the Roman era, which reckons the number of years passed from the foundation of the city of Rome by Romulus, now usually taken as 753 bc.

Initialism of area under curve (the area under the curve in a plot of concentration of drug in blood plasma against time).

(historical) United Self-Defense Forces of Colombia, a paramilitary group active from 1997 to 2006.

(finance) Initialism of assets under custody.