projector (EN)

noun

noun “projector”

1. an optical device that projects images or videos onto a screen
   Sign up to see the translation of definitions and examples into any language.

   The teacher used a projector to display the slides during the lecture.
2. (in mathematics) an operator or function that maps a mathematical object onto a projection
   In linear algebra, a projector can be used to reduce a vector onto a subspace.
3. (in psychology) a person who attributes their own feelings or thoughts to others
   As a projector, he often assumed others shared his emotions.