Magnitude



GRE Barron TOEFL 考研

解释

GRE 红宝书

• n. 重要; 星球的光亮度
• ［英］ n. 重要 ( greatness) 星球的光亮度（a number representing the apparent brightness of a celestial body)
• ［记］ magn ( 大) +itude ( 状态) -> 大的状态 -> 巨大, 重大

Webster Collegiate

noun

• Etymology: Middle English, from Anglo-French, from Latin magnitudo, from magnus
• Date: 15th century
• 1.
  • a. great size or extent
  • b.
    • (1) spatial quality ; size
    • (2) quantity, number
• 2. the importance, quality, or caliber of something
• 3. a number representing the intrinsic or apparent brightness of a celestial 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. a numerical quantitative measure expressed usually as a multiple of a standard unit
• 5. the intensity of an earthquake represented by a number on an arbitrary scale zuoxiea ~ six earthquakeyouxie

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