magnitude

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Pronunciation[change]

  • IPA: /mægnɪtjuːd/

Noun[change]

Singular
magnitude

Plural
magnitudes

  1. The exact or approximate size, extent or importance of something.
  2. (mathematics) A number that is assigned to something so that it may be compared to others numerically; it is always a positive number (more than zero).
  3. (astronomy) The apparent brightness of a star.
  4. (geology) A measure of the energy of an earthquake (for example, on the Richter scale).