general theory of relativity

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general theory of relativity

A student reads a textbook about the general theory of relativity.

Definition

Noun: - A theory of gravitation developed by Albert Einstein, which is a generalization of his special theory of relativity. It describes gravity not as a force, but as a consequence of the curvature of spacetime caused by the uneven distribution of mass and energy. Its foundation is the principle of equivalence.

Usage
  • The term is used as a proper noun to refer specifically to Einstein's geometric theory of gravity. It is often used in scientific, academic, and educational contexts.
  • It is frequently contrasted with Newton's law of universal gravitation and with the special theory of relativity.
Examples
  • Noun:
    • Einstein's general theory of relativity predicted the bending of light by gravity.
    • The general theory of relativity has passed every experimental test to date.
    • Understanding the general theory of relativity requires familiarity with advanced mathematics.
Advanced Usage
  • "within the framework of the general theory of relativity": used to specify that an explanation or prediction is based on this particular theory.
    • The existence of black holes is predicted within the framework of the general theory of relativity.
  • Often abbreviated in technical contexts as "general relativity" or the initialism "GR".
Variants and Related Words
  • General Relativity (n): The common abbreviated form of the term.
  • Special Theory of Relativity (n): Einstein's earlier theory, upon which general relativity expands, dealing with physics in the absence of gravitational fields.
  • Relativity (n): The broader concept encompassing both the special and general theories.
Synonyms
  • Einstein's Theory of Gravitation: A direct synonym emphasizing its description of gravity.
  • Geometric Theory of Gravity: A descriptive synonym highlighting its core premise that gravity is geometry.
Related Phrases
  • Principle of Equivalence: The foundational concept that gravitational and inertial mass are equivalent, a cornerstone of the theory.
  • Curvature of Spacetime: The central geometric description of gravity in the theory.
  • Field Equations: Refers to Einstein's field equations, the core mathematical formulas of the theory.
general theory of relativity

A student reads a textbook about the general theory of relativity.

Noun
  1. a generalization of special relativity to include gravity (based on the principle of equivalence)

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