magnitude

magnitude
[ˈmagnɪtjuːd]
noun
[mass noun]
  1. the great size or extent of something
    巨大,广大,庞大
    they may feel discouraged at the magnitude of the task before them.
    面对这一庞大任务,他们可能会感到气馁。
    ■great importance
    重要,重大,重要性
    events of tragic magnitude.
    重大的悲剧事件。
  2. size
    尺寸;大小
    electorates of less than average magnitude.
    低于平均人数的选民体。
    ■[count noun]a numerical quantity or value
    数量;数值
    the magnitudes of all the economic variables could be determined.
    所有经济变量的数值都可以计算出来。
  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
    星等(星的亮度)
    ■[count noun]the class into which a star falls by virtue of its brightness
    星等
    ■[count noun]a difference of one on a scale of brightness, treated as a unit of measurement
    星等差
常用词组
语源
  1. late Middle English (also in the sense 'greatness of character'): from Latin magnitudo, from magnus 'great'
英语宝典
考试词汇表