Alternative form of triunity

(theater, literature) The classical unity that states that a play should have one action that it follows, with minimal subplots.

(theater, literature) The classical unity that states that a play should exist in a single physical space and should not attempt to compress geography, nor should the stage represent more than one place.

plural of partition of unity

(euphemistic) Free-energy; supposedly capable of perpetual motion

plural of classical unity

Alternative form of unity is strength

Having or consisting of a single type.