[ pruh-jek-ter ]
/ prəˈdʒɛk tər /


an apparatus for throwing an image on a screen, as a motion-picture projector or magic lantern.
a device for projecting a beam of light.
a person who forms projects or plans; schemer.

Nearby words

  1. projective geometry,
  2. projective property,
  3. projective test,
  4. projectively,
  5. projectivity,
  6. projet,
  7. prokaryon,
  8. prokaryote,
  9. prokaryotes,
  10. prokaryotic

Origin of projector

First recorded in 1590–1600; project + -or2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for projector

British Dictionary definitions for projector


/ (prəˈdʒɛktə) /


an optical instrument that projects an enlarged image of individual slides onto a screen or wallFull name: slide projector
an optical instrument in which a strip of film is wound past a lens at a fixed speed so that the frames can be viewed as a continuously moving sequence on a screen or wallFull name: film projector, cine projector
a device for projecting a light beam
a person who devises projects
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for projector



1590s, "one who forms a project," agent noun in Latin form from project (v.). In the optical, camera sense it is from 1884.

Online Etymology Dictionary, © 2010 Douglas Harper