NOLUX literally means "no light." This conjures up such images as black holes (the most powerful entities in the known universe), depth, mysticism, night, and solitude. Organizations and companies who will find this domain name meaningful include companies specializing in dark photography dark room equipment, black light manufacturers, glow in the dark toys.
NOLUX.COM is a great and brandable domain name very short, only 5 letters. Easy to spell and easy to remember. The business domain names is registered since Apr-2003.