angular magnification: Meaning and Definition of

an'gular magnifica'tion

Pronunciation: [key]
— Optics. Optics.
  1. the ratio of the angle subtended at the eye by the image formed by an optical instrument to the angle subtended at the eye by the object being viewed.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.