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parity (EN)
noun

noun “parity”

singular parity, plural parities or uncountable
  1. equality; the state of being equal in status, amount, or value
    The organization advocates for parity between mental and physical health services.
  2. (in mathematics) the property of a number being even or odd
    Determining a number's parity is fundamental in number theory.
  3. (in physics) symmetry under spatial inversion that involves flipping spatial coordinates
    Parity violation was a groundbreaking discovery in particle physics.
  4. (in games) in games like reversi, the strategic last move in a region of the board
    She gained a tactical advantage through effective use of parity in the game.
  5. (in medicine) the number of times a woman has given birth to a viable child
    Her medical chart indicates a parity of two, meaning she has two children.
  6. (in agriculture) the number of times a female animal has given birth, especially livestock like sows
    Tracking the parity of sows helps in managing the farm's breeding program.