Convergence definitions and example sentences on Wordnik

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Definitions (12)

American Heritage Dictionary (5)

noun The act, condition, quality, or fact of converging.
noun Mathematics The property or manner of approaching a limit, such as a point, line, function, or value.
noun The point of converging; a meeting place: a town at the convergence of two rivers.

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Century Dictionary (3)

In biology, the manifestation of a tendency, among allied or diverse groups of organisms, to assume series of modifications by the same methods or along parallel lines, and with somewhat similar results. Thus, through successive rock strata representing periods of time, species originally dissimilar evolve in such a manner that the derived forms of each series resemble each other much more than do the ancestral forms. The term is also applied to a like developmental process in a single organ or group of organs. Convergence is the process of which homomorphy is the result. If two species, belonging to two distinct though allied genera, had both produced a large number of new and divergent forms, it is conceivable that these might approach each other so closely that they would all have to be classed under the same genus; and thus that the descendants of two distinct genera would converge into one. But it would in most cases be extremely rash to attribute to convergence a close and general similarity of structure in the modified descendants of widely distinct forms. Darwin, Origin of Species, iv.
Absolute convergence the convergence of a series which would still converge if for every term were substituted the modulus of that term. It is a theorem that absolute convergence is the same as unconditional convergence. Non-absolute convergence is called semicon-vergence.
Convergence frequency in a spectrum series of lines (see series), the limiting frequency or wave-number (the reciprocal of the wave-length) toward which the higher members of the series asymptotically converge, crowding more and more closely together as they approach it. It is the value of N₀ in the formula which expresses the law of the series, namely, N = N₀ — in which N is the wave-number or frequency of any line in the series, A and B are coefficients determined by observation, and m is an integer — 1 for the first line of the series, 2 for the second, and so on. A. M. Clerke, Problems in Astrophysics, p. 53.

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The grand chapter of this convergence will be the merging of Iron Man, Captain America, Hulk and Thor into "The Avengers" movie they've already announced. — The Movie Blog
Some publically owned newspaper chains failed to reinvest or were slow to embrace trends such as newsroom convergence, which is the notion of using other mediums (broadcast and Internet) to deliver news and information. — All - WTN News
This apparent independent evolution of a trait in distant relatives is known as convergence, a term that is more commonly used to describe the physical features of species that live in similar habitats and face similar selection pressures, such as the spines of hedgehogs and porcupines. — EurekAlert! - Breaking News
Transforming IT through convergence, alignment and good governance Two emerging trends are enabling IT departments to operate more strategically. — The Register
Global and fast convergence is attained, even starting from randomly chosen initial guesses. — CiteULike: Everyone's library

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convergence

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