field theory
Americannoun
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An explicit mathematical description of physical phenomena that models physical forces using fields.
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The study of fields and field extensions in algebra.
Etymology
Origin of field theory
First recorded in 1900–05
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The name of their elephant is unified field theory.
From The Wall Street Journal • Jan. 9, 2026
Quantum field theory has predicted that subregions of a system of many entangled particles can be assigned a temperature profile.
From Science Daily • Nov. 29, 2023
I realized that conformational field theory was a good model for this kind of process.
From Scientific American • Sep. 25, 2023
Turner: As far as we know, the basic building blocks of matter are quarks and leptons; the rules that govern them are described by the quantum field theory called the Standard Model.
From New York Times • Jan. 24, 2023
Both men were flying blind, neither having had the slightest training in electrical field theory.
From "Big Science" by Michael Hiltzik
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
