from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A camera lens whose focal length can be rapidly changed, allowing rapid change in the size of an image.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A lens containing a mechanical assembly of inner lenses, allowing the focal length to be changed rapidly.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a camera lens that magnifies the image
Sorry, no etymologies found.