magnitude

Meanings

Plural: magnitudes

Noun

• the property of relative size or extent (whether large or small)
  • "they tried to predict the magnitude of the explosion"
  • "about the magnitude of a small pea"
• a number assigned to the ratio of two quantities; two quantities are of the same order of magnitude if one is less than 10 times as large as the other; the number of magnitudes that the quantities differ is specified to within a power of 10
• relative importance
  • "a problem of the first magnitude"
• The absolute or relative size, extent or importance of something.
• An order of magnitude.
• A number, assigned to something, such that it may be compared to others numerically
• Of a vector, the norm, most commonly, the two-norm.
• A logarithmic scale of brightness defined so that a difference of 5 magnitudes is a factor of 100.
• The apparent brightness of a star, with lower magnitudes being brighter; apparent magnitude
• A logarithmic scale of brightness defined so that a difference of 5 magnitudes is a factor of 100.
• A ratio of intensity expressed as a logarithm.
• A measure of the energy released by an earthquake (e.g. on the Richter scale).

Synonyms

order of magnitude