Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of convergence is as below...

Corona :: Corona (n.) A peculiar phase of the aurora borealis, formed by the concentration or convergence of luminous beams around the point in the heavens indicated by the direction of the dipping needle..

Convergence :: Convergence (n.) Alt. of Convergenc.

Aberration :: Aberration (n.) The convergence to different foci, by a lens or mirror, of rays of light emanating from one and the same point, or the deviation of such rays from a single focus; called spherical aberration, when due to the spherical form of the lens or mirror, such form giving different foci for central and marginal rays; and chromatic aberration, when due to different refrangibilities of the colored rays of the spectrum, those of each color having a distinct focus..

Vergency :: Vergency (n.) The reciprocal of the focal distance of a lens, used as measure of the divergence or convergence of a pencil of rays..

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