exterior

exterior

1. Film a film or scene shot outside a studio

2. Politics of or involving foreign nations

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

exterior

[ek′stir·ē·ər]

(mathematics)

For a set A in a topological space, the largest open set contained in the complement of A.

For a plane figure, the set of all points that are neither on the figure nor inside it.

For an angle, the set of points that lie in the plane of the angle but not between the rays defining the angle.

For a simple closed plane curve, one of the two regions into which the curve divides the plane according to the Jordan curve theorem, namely, the region that is not bounded.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.