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Projector

From Biology-Online Dictionary | Biology-Online Dictionary
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projector

One who projects a scheme or design; hence, one who forms fanciful or chimerical schemes. An optical instrument which projects an image from a transparency onto a projection screen or other surface, using an intense light and one or more lenses to focus the image. Slide projector; movie projector. Overhead projector.

Origin: Cf. F. Projeteur.