microprojection

/ˌmaɪkroʊprəˈdʒɛkʃən/
noun
  1. The process of projecting a greatly magnified image of a very small object, such as a cell or microorganism, onto a screen for viewing.
    • The scientist used microprojection to display the structure of a tiny crystal to the audience.
    • Microprojection allows a whole classroom to see the details of a single drop of pond water.
    • In biology class, we used microprojection to show the movement of bacteria on a large screen.