Definitions for "Overhead Projector"
A projector used to display 8 1/2” x 11” transparencies or x-ray images.
A device that has a light source, reflective platform, and lens, used for projecting images from transparencies onto a screen.
a projector operated by a speaker; projects the image over the speaker's head
an indispensable piece of equipment in my laboratory
Keywords:  whole, great, class, display, way
a great way to display information to the whole class at the same time