overhead projector

noun

Definition of overhead projector

  1. :  a projector for projecting onto a vertical screen magnified images of graphic material on a horizontal transparency illuminated from below —called also overhead

1938

First Known Use of overhead projector

1938


OVERHEAD PROJECTOR Defined for English Language Learners

overhead projector

noun

Definition of overhead projector for English Language Learners

  • : a device that shows information or pictures on a wall or screen by shining a light through a sheet with the information or pictures on it


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WORD OF THE DAY

holding stubbornly to a belief or view

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