GPS Overview - The Sky's The Limit. GPS, or Global Positioning System, is a satellite-based navigation system developed by the U.S. Department of Defense to provide a consistent, accurate method of simplifying navigation. It was originally designed for the military, however, it provides both commercial and recreational users 24 hour, worldwide navigation coverage with a possible accuracy to 15 meters (49 feet).
proÂ·lifÂ·erÂ·ate. v. proÂ·lifÂ·erÂ·atÂ·ed, proÂ·lifÂ·erÂ·atÂ·ing, proÂ·lifÂ·erÂ·ates. v. intr. 1. To grow or multiply by rapidly producing new tissue, parts, cells, or offspring. 2. To increase or spread at a rapid rate: fears that nuclear weapons might proliferate. v. tr. To cause to grow or increase rapidly.
proliferate-grow rapidly; Pizza parlors proliferate in this area. grow-become larger, greater, or bigger; expand or gain; The problem grew too large for me; Her business grew fast. proliferate-cause to grow or increase rapidly; We must not proliferate nuclear arms. manifold, multiply-combine or increase by multiplication; He managed to multiply his profits.