Meaning of diverging lens

diverg'ing lens'

Pronunciation: [key]
— Optics. Optics.
  1. a lens that causes a beam of parallel rays to diverge after refraction, as from a virtual image; a lens that has a negative focal length. Also calledCf. converging lens.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.