|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
|1.||Also called: convergency the act, degree, or a point of converging|
|2.||concurrence of opinions, results, etc|
|3.||maths the property or manner of approaching a finite limit, esp of an infinite series: conditional convergence|
|4.||the combining of different forms of electronic technology, such as data processing and word processing converging into information processing|
|5.||Also called: convergent evolution the evolutionary development of a superficial resemblance between unrelated animals that occupy a similar environment, as in the evolution of wings in birds and bats|
|6.||meteorol See also Intertropical Convergence Zone an accumulation of air in a region that has a greater inflow than outflow of air, often giving rise to vertical air currents|
|7.||Compare divergence the turning of the eyes inwards in order to fixate an object nearer than that previously being fixated|
convergence con·ver·gence (kən-vûr'jəns)
The process of coming together or the state of having come together toward a common point.
Such a gathering at a single preganglionic motor neuron of several postganglionic motor neurons.
The coordinated turning of the eyes inward to focus on an object at close range.
The adaptive evolution of superficially similar structures, such as the wings of birds and insects, in unrelated species subjected to similar environments. Also called convergent evolution.
The movement of cells from the periphery of the embryo toward the midline during gastrulation.
|convergence (kən-vûr'jəns) Pronunciation Key