the law that the luminous intensity of a perfectly diffusing surface in any direction is proportional to the cosine of the angle between that direction and the normal to the surface, for which reason the surface will appear equally bright from all directions.
[kohs] /koʊs/ verb (used without object), cosed, cosing, noun 1. . Common Open Software Environment
/ˈkɒzlə/ noun acronym 1. Convention of Scottish Local Authorities
intransitive verb to sleep in the same bed or room with a parent Word Origin 1966
noun 1. .