- 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
WordReference Random House Learner's Dictionary of American English © 2026
pro•jec•tor /prəˈdʒɛktɚ/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Cinemaa machine for throwing an image, films, photographs, slides, etc., onto a screen.
pro•jec•tor
(prə jek′tər),USA pronunciation n.
- Cinemaan apparatus for throwing an image on a screen, as a motion-picture projector or magic lantern.
- Opticsa device for projecting a beam of light.
- a person who forms projects or plans;
schemer.
- project + -or2 1590–1600
Collins Concise English Dictionary © HarperCollins Publishers::
projector /prəˈdʒɛktə/ n