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Theory of Everything

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noun
  1. a theory intended to show that the electroweak, strong, and gravitational forces are components of a single quantized force.

Origin of Theory of Everything

First recorded in 1985–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
theory of everything in Science

theory of everything

  1. A physical theory, such as a grand unified theory, that attempts to explain all physical matter and interactions under a single unified set of principles.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.