Definition of overhead projector in US English:

overhead projector

noun

  • A device that projects an enlarged image of a transparency placed on it onto a wall or screen by means of an overhead mirror.

    • ‘I made transparencies of their original sketches and we used overhead projectors to trace their designs on the walls.’
    • ‘Project the student's silhouette with the use of an overhead projector or any light source.’
    • ‘It's sort of like one of those screens for overhead projectors.’
    • ‘The presenter will need to stand next to the overhead projector or plan to have an assistant to coordinate the transparencies with the talk.’
    • ‘The room was equipped with a microphone system, slide projector, overhead projector, and a computer system for the use of Power Point presentations and Internet searches.’
    • ‘During one observation, Beth had her students copy a textbook problem she projected on the overhead projector rather than having them copy the problem from their individual textbooks.’
    • ‘Audio-visual aids such as overhead projectors and transparencies, flip charts, audio and video players, etc. can be tremendous assets when used effectively, but great liabilities when not.’
    • ‘For many years, overhead projectors lit up transparencies, and slide projectors showed high-resolution 35 mm slides.’
    • ‘Some churches employ microphones, tape recording, CCTV, or overhead projectors, while others avoid such devices.’
    • ‘The man turns away and changes transparencies on the overhead projector and begins his lesson.’
    • ‘But the slick presentation, complete with images from an overhead projector, did little to calm the frustration felt by many of the audience.’
    • ‘Transparencies are becoming less important with the demise of the overhead projector, but you may need special papers for reports and so on.’
    • ‘First, the student uses an overhead projector to project his or her image onto a large piece of stiff paper.’
    • ‘He paged through about a dozen transparencies on the overhead projector.’
    • ‘She creates miniature 3D images on overhead projectors and shelves, which are seen as 2D images.’
    • ‘I can tell the youth group likes this song, because when Jason slips the transparency onto the overhead projector, we hear a chorus of ‘Yesss!’’
    • ‘He stands beside a screen, a computer and an overhead projector, pointer in hand.’
    • ‘The studio's back wall is lit by an overhead projector placed on a table slightly to the right of center, against which a few ornate frames lean.’
    • ‘Some of the best ideas were then enlarged, transferred onto the wall with an overhead projector and painted in acrylic paint.’
    • ‘You could use the instrument also to project written or printed documents, by laying them flat on the surface, and having them optically projected just like in an overhead projector.’

Pronunciation

overhead projector

/ˈoʊvərˌhɛd prəˈdʒɛktər/