overhead projector

noun

overhead projector

noun
1

A projector that projects an image over the heads of the viewers onto a screen in front of them.

  • The reality is that the typical classroom teacher still uses a blackboard and chalk. Indeed, despite the excitement over high-tech devices, most classroom equipment is decidedly low-tech: small-screen television sets, mimeograph machines, monaural phonograph record players, overhead projectors with grease pencils, 16-millimeter projectors, reel-to-reel tape players, filmstrip projectors.1992 August 2, Peter H. Lewis, “Low-Tech Renewal”, in The New York Times, →ISSN:
Related terms
document camera, film projector, slide projector

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