Magnitude

//ˈmæɡnɪtjuːd// noun

Definitions

Noun
  1. 1
    The absolute or relative size, extent or importance of something. countable, uncountable

    "And on a programme of works of this magnitude, passengers will need to be mindful of the age-old maxim of 'no gain without pain'."

  2. 2
    the property of relative size or extent (whether large or small) wordnet
  3. 3
    An order of magnitude. countable
  4. 4
    relative importance wordnet
  5. 5
    A number, assigned to something, such that it may be compared to others numerically countable, uncountable
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  1. 6
    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 wordnet
  2. 7
    Of a vector, the norm, most commonly, the two-norm. countable, uncountable
  3. 8
    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 uncountable
  4. 9
    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. countable

    "Observations in the infrared domain allow one to penetrate the ~25-30 magnitudes of extinction present at visible wavelengths."

  5. 10
    A measure of the energy released by an earthquake (e.g. on the Richter scale). countable, uncountable

Etymology

From Latin magnitūdō (“greatness, size”), magnus + -tūdō.

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