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 puzzle is made even more striking because experiments have repeatedly confirmed the extraordinary accuracy of quantum field theory in other contexts.
From Science Daily ● Jun. 19, 2026
During the years when the constant had fallen out of favor, quantum field theory had become one of the most successful theories in science and a cornerstone of the Standard Model of particle physics.
From Science Daily ● Jun. 19, 2026
The name of their elephant is unified field theory.
From The Wall Street Journal ● Jan. 9, 2026
In 1999, Neves Valente took an optional class in quantum field theory and earned a near-perfect grade of 19 out of 20, professor Jorge Romão said after reviewing old paperwork.
From The Wall Street Journal ● Dec. 20, 2025
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.
