hopper light

hopper light

hopper light
1. A window sash which opens inward and is hinged at the bottom; when open, air passes over the top of the sash; also called hopper vent or hopper ventilator.
2. A window sash which opens inward and is hinged at each side; when open, most of the air passes over the top of the sash but there is some flow through a narrower opening along the bottom.
References in periodicals archive ?
A clear winter day makes Point Reyes Station and its neighbor, Olema, sparkle like faceted gems, with angular silhouettes and cool, Edward Hopper light.
The 6-s negative backward CS was immediately preceded by a 3-s illumination of the hopper light without the US.
Neither food nor the hopper light was presented during this phase.