Boom



GRE TOEFL 考研

解释

GRE 红宝书

• n. 繁荣昌盛时期;v.发出深沉, 有回响的声音
• ［英］ n. 繁荣昌盛时期 ( period of prosperity) ;
• ［例］ The oil market is enjoying a boom .

Webster Collegiate

I. verb

• Etymology: Middle English bomben, bummen, of imitative origin
• Date: 15th century
• intransitive verb
  • 1. to make a deep hollow sound
  • 2.
    • a. to increase in importance, popularity, or esteem
    • b. to experience a sudden rapid growth and expansion usually with an increase in prices <business was booming>
    • c. to develop rapidly in population and importance <California boomed when gold was discovered there>
    • d. to increase greatly in size or number <the population boomed>
• transitive verb
  • 1. to cause to resound — often used with out<his voice booms out the lyrics>
  • 2. to cause a rapid growth or increase of ; boost
  • 3. to hit or kick forcefully <boom a punt>

II. noun

• Date: 15th century
• 1. a booming sound or cry — often used interjectionally to indicate suddenness<then boom, he was fired>
• 2. a rapid expansion or increase: as
  • a. a general movement in support of a candidate for office
  • b. rapid settlement and development of a town or district
  • c. a rapid widespread expansion of economic activity
  • d. an upsurge in activity, interest, or popularity <a folk music boom>

III. noun

• Etymology: Dutch, tree, beam; akin to Old High German boum tree — more at beam
• Date: 1627
• 1. a long spar used to extend the foot of a sail
• 2.
  • a. a chain or line of connected floating timbers extended across a river, lake, or harbor (as to obstruct passage or catch floating objects)
  • b. a temporary floating barrier used to contain an oil spill
• 3.
  • a. a long beam projecting from the mast of a derrick to support or guide cargo
  • b. a long more or less horizontal supporting arm or brace (as for holding a microphone or for supporting an antenna)
• 4. a spar or outrigger connecting the tail surfaces and the main supporting structure of an aircraft

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