early 15c., from Late Latin magnificationem (nominative magnificatio), noun of action from past participle stem of magnificare (see magnify).
magnification mag·ni·fi·ca·tion (māg'nə-fĭ-kā'shən)n.
The act of magnifying or the state of being magnified.
Something that has been magnified; an enlarged representation, image, or model.
The ratio of the size of an image to the size of an object.