(Canada, informal) Northern Canada, usually including the Northwest Territories, Nunavut and Yukon, approximately above the 60th parallel north.

(automotive) A performance measure for automobiles, that either measures elapsed time, or elapsed distance. The automobile starts from a standing start, accelerates to 60 mph (roughly 100 km/h), and then brakes to a stop.

plural of 0-60-0

Arsphenamine.

plural of 600-cell

(geometry) A four-dimensional polytope, analogous to an icosahedron, whose 600 bounding facets are tetrahedra.

(geometry) A regular star 4-polytope with Schläfli symbol {3,3,5/2}

plural of grand 600-cell