magnitude

  1. Noun.  The absolute or relative size, extent or importance of something.
  2. Noun.  (mathematics) A number, assigned to something, such that it may be compared to others numerically.
  3. Noun.  (mathematics) Of a vector, the norm, most commonly, the two-norm.
  4. Noun.  (astronomy) The apparent brightness of a star (on a negative, logarithmic scale); apparent magnitude.
  5. Noun.  (geology) A measure of the energy released by an earthquake (e.g. on the Richter scale).

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This entry was last updated on RefTopia from its source on 3/20/2012.