microprojector
noun
mi·cro·pro·jec·tor ˌmī-krō-prə-ˈjek-tər 
: a projector utilizing a compound microscope for projecting on a screen a greatly enlarged image of a microscopic object
microprojection
ˌmī-krō-prə-ˈjek-shən
noun 
Example Sentences
Recent Examples on the Web Light enters the waveguide through a small aperture in the microprojector, which is hidden in the temple of the eyeglasses, and leaves the waveguide through a larger aperture at the other end. 
Ari Grobman, Forbes, 19 July 2022 The image travels through a microprojector to a lens in front of the eye, creating a transparent display that layers the virtual image over the view of the real world. Ari Grobman, Forbes, 19 July 2022
Ari Grobman, Forbes, 19 July 2022 The image travels through a microprojector to a lens in front of the eye, creating a transparent display that layers the virtual image over the view of the real world. Ari Grobman, Forbes, 19 July 2022 Word History
First Known Use
1921, in the meaning defined above
Medical Definition
microprojector
noun
mi·cro·pro·jec·tor ˌmī-krō-prə-ˈjek-tər
: a projector utilizing a compound microscope for projecting on a screen a greatly enlarged image of a microscopic object