英和和英

発音

• IPA: /ˈmæɡnɪtjuːd/
• (yod-coalescence) IPA: /ˈmæɡnɪt͡ʃuːd/
• (yod-dropping) IPA: /ˈmæɡnɪtuːd/

名詞

magnitude (countable and uncountable, plural magnitudes)

1. (uncountable, countable) The absolute or relative size, extent or importance of something.
   • 2020 September 23, Paul Stephen, “East Coast upgrade: changes to schedule... but on schedule”, in Rail, page 31:

     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. (countable) An order of magnitude.
3. (mathematics) A number, assigned to something, such that it may be compared to others numerically
4. (mathematics) Of a vector, the norm, most commonly, the two-norm.
5. (astronomy) A logarithmic scale of brightness defined so that a difference of 5 magnitudes is a factor of 100.
   1. (uncountable) The apparent brightness of a star, with lower magnitudes being brighter; apparent magnitude
   2. (countable) A ratio of intensity expressed as a logarithm.
      • 2005, Andreas Eckart et al., The Black Hole at the Center of the Milky Way‎, →ISBN, page 71:

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

6. (seismology) A measure of the energy released by an earthquake (e.g. on the Richter scale).

派生語

アナグラム

• gamnitude