among metaphysicians, denotes entity, being, or existence: this the schools call ens reale, and ens positivum; to distinguish it from their ens rationis, which is only an imaginary thing, or exists but in the imagination.

among chemists, imports the power, virtue, and efficacy, which certain substances exert upon our bodies.

in geography, a city of Germany, situated at the confluence of the Danube and the river Ens, about 80 miles south of Vienna. E. Long. 14. 20. N. Lat. 48. 16.