11 letters · 17 points in Scrabble
noun scientific instrument that provides a flashing light synchronized with the periodic movement of an object; can make moving object appear stationary
originFrom Ancient Greek στρόβος (stróbos, “whirl”) and Ancient Greek σκοπέω (skopéō, “examine, inspect, look to or into, consider”). From strobo- + scope.
Etymology from Wiktionary, CC BY-SA 3.0