meridian convergence
21Eyeglass prescription — Using a phoropter to determine a prescription for eyeglasses An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist or ophthalmologist, that specifies the value of all parameters the prescriber has deemed… …
22Seattle — This article is about the city. For other uses, see Seattle (disambiguation). Seattle   City   City of Seattle …
23climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
24optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …
25convergency — i. The angle that one meridian on the earth’s surface makes with another. It equals the angular difference between the measurements of the great circle at each meridian. ii. The angle between two meridians at a given latitude. At the poles, its… …
26Alteon — Nortel Logo de Nortel Networks Corporation Création 1895 à Montréal …
27Alteon WebSystems — Nortel Logo de Nortel Networks Corporation Création 1895 à Montréal …
28Bay networks — Nortel Logo de Nortel Networks Corporation Création 1895 à Montréal …
29Corporation Nortel Networks — Nortel Logo de Nortel Networks Corporation Création 1895 à Montréal …
30Matra Nortel Communications — Nortel Logo de Nortel Networks Corporation Création 1895 à Montréal …
