magnification

mag·ni·fi·ca·tion

noun \ˌmag-nə-fə-ˈkā-shən\

Definition of MAGNIFICATION

1

: the act of magnifying

2

a : the state of being magnified b : the apparent enlargement of an object by an optical instrument that is the ratio of the dimensions of an image formed by the instrument to the corresponding dimensions of the object—called also power