D defs.my
Entry 2 senses Webster, 1913

microphotograph

/(mī`krō̇*fō"tō̇*grȧf or mĭk`rō̇*fō"tō̇*grȧf)/ · mi·cro·pho·to·graph · IPA
01 n. A microscopically small photograph of a picture, writing, printed page, etc.
  1. 1.
    A microscopically small photograph of a picture, writing, printed page, etc.
  2. 2.
    An enlarged representation of a microscopic object, produced by throwing upon a sensitive plate the magnified image of an object formed by a microscope or other suitable combination of lenses.