n. The act of magnifying, or the state of being magnified or enlarged, as by a lens.n. In microscopy, specifically, increase of visual power in respect of penetration as well as superficial enlargement, thus contrasting with amplification.n. The act of magnifying or extolling.n. In the theory of optical images, the ratio f/x or x′ /f′ , where f is the focal length of the object-space of the optical system and x the distance of the object from the principal focal plane of that space, or where f′ and x′ are the corresponding quantities in the image-space.n. In mathematics, in conformal representation, the modulus of the derivative