Moment



GRE 考研

解释

GRE 红宝书

• n.瞬间;重要
• ［类］ 反义词: insignificance ( 不重要)

Webster Collegiate

noun

• Etymology: Middle English, from Anglo-French, from Latin momentum movement, particle sufficient to turn the scales, moment, from movēre to move
• Date: 14th century
• 1.
  • a. a minute portion or point of time ; instant
  • b. a comparatively brief period of time
• 2.
  • a. present time <at the moment she is working on a novel>
  • b. a time of excellence or conspicuousness <he has his moments>
• 3. importance in influence or effect <a matter of great moment>
• 4. obsolete a cause or motive of action
• 5. a stage in historical or logical development
• 6.
  • a. tendency or measure of tendency to produce motion especially about a point or axis
  • b. the product of quantity (as a force) and the distance to a particular axis or point
• 7.
  • a. the mean of the nth powers of the deviations of the observed values in a set of statistical data from a fixed value
  • b. the expected value of a power of the deviation of a random variable from a fixed value
• Synonyms: see importance

---