Optics.
the ratio of the height of the image to the height of the object in a lens or other optical system. Also called transverse magnification .
Optics.
the ratio of the height of the image to the height of the object in a lens or other optical system. Also called transverse magnification .
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012