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1. Oxford American Dictionary

   magnitude

   • IPA[ˈmaɡnəˌto͞od]

   美式

   • n.
     the great size or extent of something；great importance

   • noun: magnitude, plural noun: magnitudes

2. • 釋義

   n.

   名詞

   • 1. the great size or extent of something they may feel discouraged at the magnitude of the task before them 同義詞 immensity, vastness, hugeness, enormity, enormousness, ... 更多expanse, size, extent, greatness, largeness, bigness反義詞 smallness
   • ▪ great importance events of tragic magnitude 同義詞 importance, import, significance, weight, moment, ... 更多consequence, mark, notability, note, greatness, distinction, eminence, fame, renown, intensity, power反義詞 triviality
   • 2. size electorates of less than average magnitude 同義詞 size, extent, measure, proportions, dimensions, ... 更多breadth, volume, weight, quantity, mass, bulk, amplitude, capacity, strength, degree, gauge, measurement, extension
   • ▪ a numerical quantity or value the magnitudes of all the economic variables could be determined 同義詞 value, index, indicator, measure, norm, ... 更多order, quantity, number, vector, figure
   • 3. the degree of brightness of a star. The magnitude of an astronomical object is now reckoned as the negative logarithm of the brightness; a decrease of one magnitude represents an increase in brightness of 2.512 times. A star with an apparent magnitude of six is barely visible to the naked eye the brightest stars have the lowest magnitudes 同義詞 brightness, brilliance, radiance, luminosity, absolute magnitude, ... 更多apparent magnitude
   • ▪ the class into which a star falls by virtue of its brightness a star of the fifth magnitude
   • ▪ a difference of one on a scale of brightness, treated as a unit of measurement a range of a tenth of a magnitude