Electric light and Flask

Electric light noun - Electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity.

Flask and electric light are semantically related in light bulb topic. In some cases you can use "Flask" instead a noun phrase "Electric light".

Flask noun - Bottle that has a narrow neck.

Electric light and flask are semantically related in light bulb topic. Sometimes you can use "Electric light" instead a noun "Flask".