(mineralogy) An isometric-hextetrahedral gray white mineral containing arsenic and nickel.

(slang) Of or relating to a bozo.

The unlawful personal appropriation of public lands; wrongful encroachment on, or enclosure of properties belonging to the public (e.g. highways, sidewalks, forests, harbors).

A temporary replacement for another, especially at a job. / A substitution. / (mathematics) An intermediate result that must be stored temporarily during the course of a sparse matrix computation.