magnitude

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noun mag·ni·tude \ˈmag-nə-ˌtüd, -ˌtyüd\

Definition of magnitude

  1. 1a :  great size or extent <cannot wage a war of such magnitude — A. N. Whitehead> <the magnitude of an earthquake>b (1) :  spatial quality :  size <able to operate only over distances of very small magnitude — G. W. Gray> (2) :  quantity, number <the savings in amounts of metal … will be of dramatically significant magnitudesAmerican Fabrics>

  2. 2 :  the importance, quality, or caliber of something <evil of such magnitude as must, if possible, be prevented — Jane Austen> <a writer of first magnitude — Richard Plant>

  3. 3 :  a number representing the intrinsic (see intrinsic 1a) or apparent brightness of a celestial (see 1celestial 2) body on a logarithmic scale in which an increase of one unit corresponds to a reduction in the brightness of light by a factor of 2.512

  4. 4 :  a numerical quantitative measure expressed usually as a multiple of a standard unit

  5. 5 :  the intensity of an earthquake represented by a number on an arbitrary scale <a magnitude six earthquake>

Examples of magnitude in a sentence

  1. <the magnitude of the issue can scarcely be overstated>

  2. <the mountain's sheer magnitude usually leaves tourists speechless>

Origin and Etymology of magnitude

Middle English, from Anglo-French, from Latin magnitudo, from magnus


First Known Use: 15th century

Other Mathematics and Statistics Terms


MAGNITUDE Defined for English Language Learners

magnitude

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noun mag·ni·tude \ˈmag-nə-ˌtüd, -ˌtyüd\

Definition of magnitude for English Language Learners

  • : the size, extent, or importance of something

  • : a number that shows the brightness of a star

  • : a number that shows the power of an earthquake


MAGNITUDE Defined for Kids

magnitude

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noun mag·ni·tude \ˈmag-nə-ˌtüd, -ˌtyüd\

Definition of magnitude for Students

  1. :  greatness of size or importance <“How can you term an undertaking of such magnitude mere peddling?” — Lloyd Alexander, Time Cat>


Medical Dictionary

magnitude

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noun mag·ni·tude \ˈmag-nə-ˌt(y)üd\

Medical Definition of magnitude

  1. :  relative size or extent



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