APERTURE RATIO

Domain	Definition
Aerospace	The ratio of the useful diameter of a lens to its focal length. It is the reciprocal of the f-number.In application to an optical instrument, rather than to a lens, numerical aperture is more commonly used. The aperture ratio is then twice the tangent of the angle whose sine is the numerical aperture. (references)
Source: compiled by the editor from various references; see credits.

Anagrams: APERTURE RATIO

Scrabble® Enable2K-Verified Anagrams
	Words within the letters "a-a-e-e-i-o-p-r-r-r-t-t-u"
	-2 letters: portraiture.
	-3 letters: repatriate.
	-4 letters: pirouette.
	-5 letters: aperture, operetta, parroter, parterre, patterer, perorate, portiere, portrait, potterer, preterit, pretreat, prettier, priorate, putterer, rareripe, repairer, reporter, retorter, roturier, terraria, torturer, troutier.
Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro.