overhead projector
noun Date: 1951 a projector for projecting onto a vertical screen magnified images of graphic material on a horizontal transparency illuminated from below — called also overhead

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Overhead projector — in operation during a classroom lesson An overhead projector is a variant of slide projector that is used to display images to an audience. Contents 1 Mechanism …   Wikipedia

  • overhead projector — Projector Pro*ject or, n. [Cf. F. projeteur.] 1. One who projects a scheme or design; hence, one who forms fanciful or chimerical schemes. L Estrange. [1913 Webster] 2. an optical instrument which projects an image from a transparency or an… …   The Collaborative International Dictionary of English

  • overhead projector — Projector Pro*ject or, n. [Cf. F. projeteur.] 1. One who projects a scheme or design; hence, one who forms fanciful or chimerical schemes. L Estrange. [1913 Webster] 2. an optical instrument which projects an image from a transparency or an… …   The Collaborative International Dictionary of English

  • overhead projector — over‧head pro‧jec‧tor ➔ projector * * * overhead projector UK US noun [C] (ABBREVIATION OHP, also projector) ► WORKPLACE, MEETINGS a piece of equipment that shines images from a flat transparent sheet onto a white screen or wall: » …   Financial and business terms

  • overhead projector — ☆ overhead projector n. a projector having a flat, transparent top on which a sheetlike transparency is placed, and an overhead mirror that reflects the image on the transparency to a screen * * * …   Universalium

  • overhead projector — ☆ overhead projector n. a projector having a flat, transparent top on which a sheetlike transparency is placed, and an overhead mirror that reflects the image on the transparency to a screen …   English World dictionary

  • overhead projector — overhead projectors N COUNT An overhead projector is a machine that has a light inside it and makes the writing or pictures on a sheet of plastic appear on a screen or wall. The abbreviation OHP is also used. Syn: OHP …   English dictionary

  • overhead projector — ► NOUN ▪ a device that projects an enlarged image of a transparency by means of an overhead mirror …   English terms dictionary

  • overhead projector — noun a projector operated by a speaker; projects the image over the speaker s head • Hypernyms: ↑projector * * * noun, pl ⋯ tors [count] : a device that shows information or pictures on a wall or screen by shining a light through a sheet with the …   Useful english dictionary

  • overhead projector — UK / US noun [countable] Word forms overhead projector : singular overhead projector plural overhead projectors a piece of equipment that uses a light to make the words or pictures on a transparent plastic sheet appear large on a screen …   English dictionary

  • overhead projector — overhead pro jector n OHP a piece of electrical equipment used when giving a talk, which shows words or pictures on a wall or large screen so that many people can see them …   Dictionary of contemporary English

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”