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Theoretical vs Spurion - What's the difference?

theoretical | spurion |

As an adjective theoretical

is of or relating to theory; abstract; not empirical.

As a noun spurion is

(physics) a theoretical particle used in a lagrangian function to balance its symmetry.

theoretical

English

Adjective

(en adjective)
  • Of or relating to theory; abstract; not empirical.

    • Derived terms

    * intertheoretical * intratheoretical * nontheoretical

    Coordinate terms

    * practical

    spurion

    English

    Noun

    (en noun)
  • (physics) A theoretical particle used in a Lagrangian function to balance its symmetry.