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.

    • ‘He paged through about a dozen transparencies on the overhead projector.’
    • ‘But the slick presentation, complete with images from an overhead projector, did little to calm the frustration felt by many of the audience.’
    • ‘She creates miniature 3D images on overhead projectors and shelves, which are seen as 2D images.’
    • ‘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.’
    • ‘Some of the best ideas were then enlarged, transferred onto the wall with an overhead projector and painted in acrylic paint.’
    • ‘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.’
    • ‘He stands beside a screen, a computer and an overhead projector, pointer in hand.’
    • ‘I made transparencies of their original sketches and we used overhead projectors to trace their designs on the walls.’
    • ‘The man turns away and changes transparencies on the overhead projector and begins his lesson.’
    • ‘First, the student uses an overhead projector to project his or her image onto a large piece of stiff paper.’
    • ‘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.’
    • ‘Some churches employ microphones, tape recording, CCTV, or overhead projectors, while others avoid such devices.’
    • ‘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.’
    • ‘The presenter will need to stand next to the overhead projector or plan to have an assistant to coordinate the transparencies with the talk.’
    • ‘For many years, overhead projectors lit up transparencies, and slide projectors showed high-resolution 35 mm slides.’
    • ‘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.’
    • ‘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!’’
    • ‘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.’
    • ‘Transparencies are becoming less important with the demise of the overhead projector, but you may need special papers for reports and so on.’

Pronunciation

overhead projector

/ˈoʊvərˌhɛd prəˈdʒɛktər/