convergence

UK/kənˈvɜːd͡ʒəns/US/kənˈvɝd͡ʒəns/

nounC1Rare in speech; mostly a word you read · #12,454 of 15,258mostly written

Convergence is a coming together at one point. The convergence of the two rivers, technological convergence, convergence of interests.

In technology it names the merging of devices, which is why a phone is now a camera, a map and a torch. In evolution, convergence is unrelated species arriving at the same solution, as birds and bats did with wings.

Definitions of convergence

1nounconvergenceA coming together at one point.C1
“The town grew up at the convergence of three busy trade routes.”

convergence is a meeting.

Where it comes from

From converge, from Latin convergere, to incline together, from com plus vergere, to bend.

Latin
convergentia
English, today
convergence

From converge + ence (after Latin convergentia).

Etymology from Wiktionary, CC BY-SA

Practise this word

convergence in the wild

In the mathematical field of analysis, uniform convergence is a mode of convergence of functions stronger than pointwise convergence.
Uniform convergence
The difference between uniform convergence and pointwise convergence was not fully appreciated early in the history of calculus, leading to instances of faulty reasoning.
Uniform convergence
In probability theory, there exist several different notions of convergence of sequences of random variables, including convergence in probability, convergence in distribution, and almost sure convergence.
Convergence of random variables
The different notions of convergence capture different properties about the sequence, with some notions of convergence being stronger than others.
Convergence of random variables
In mathematics, the radius of convergence of a power series is the radius of the largest disk at the center of the series in which the series converges.
Radius of convergence

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From Wikipedia, CC BY-SA 4.0. These sentences were written by other people about their own subjects; they are here to show the word at work, not as anybody’s opinion.

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