magnitude

名词 n.
中文释义

英文释义

名词 n.
  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. An order of magnitude. countable
  3. A number, assigned to something, such that it may be compared to others numerically countable,uncountable
  4. Of a vector, the norm, most commonly, the two-norm. countable,uncountable
  5. 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
  6. 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.
  7. A measure of the energy released by an earthquake (e.g. on the Richter scale). countable,uncountable

词形变化

magnitudes plural

词汇关系

衍生词
absolute magnitude apparent magnitude bolometric magnitude macromagnitude magnitudinal micromagnitude millimagnitude moment magnitude scale order of magnitude pseudomagnitude radiometric magnitude signed magnitude visual magnitude

词源

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