Definitions
from Wiktionary, Creative Commons Attribution/ShareAlike License
 n. any of several techniques in statistical mechanics and quantum electrodynamics used to construct mathematical relationships between observable quantities
Etymologies
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Examples

Only a technique called "renormalization" could save the theory from itself.

This hierarchy is technically unnatural in particle physics, since, in general, the effect of quantum mechanics (here known as renormalization) is to make the observable values of such scales much closer in size.

This procedure is called the renormalization of mass and charge, and our method has brought the possibility that the theory will lead to finite results by the renormalization even if it contains defects.

Many people used explicitly or implicitly this idea, and we find the word renormalization already in Dancoff's paper.

The padic primes themselves encompass infinities that have served to distort more standard ToEs (and have to be factored out by fiat via "renormalization").

For example, "renormalization" is the label for a number of ways for getting theories (interesting in some way) from infinite divergent series (usually the terms correspond to possible particle interactions, say like an electron and positron annihilating to create an "electron neutrino", its antiparticle, and a photon).

One can try complicated techniques such as renormalization in a simple setting and it is possible to get acquainted with mechanisms ” in this case symmetry breaking ” that can be used later on (Hartmann 1995).

The Standard Model, used by everyone working in high energy particle physics, is chockablock with renormalization.

However, the computations also require, through renormalization, that infinite quantities be added and divided together.
Matthew Yglesias » Cato’s David Boaz Joins George Will in Peddling Bogus “Global Cooling” Stories

I started my research career at the time when Tomonaga was developing his theory of renormalization, for which he would receive the Nobel Prize.
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