Definition of boom noun from the Oxford Advanced American Dictionary

     

    boom

     noun
    noun
    NAmE//bum//
     
     
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    in business/economy
  1. 1 a sudden increase in trade and economic activity; a period of wealth and success Living standards improved rapidly during the postwar boom. boom in something a boom in car sales a boom year(for trade, exports, etc.) a property/housing boom a chaotic period of boom and bust Topic CollocationsThe Economymanaging the economy handle/run/manage the economy boost investment/spending/employment/growth stimulate demand/the economy/industry cut/reduce investment/spending/borrowing reduce/curb/control/keep down inflation create/fuel growth/demand/a boom/a bubble encourage/foster/promote/stimulate/stifle innovation/competition encourage/work with/compete with the private sector increase/boost/promote U.S./agricultural exports ban/restrict/block cheap/foreign imports the economy grows/expands/shrinks/contracts/slows (down)/recovers/improves/is booming enjoy an economic/housing/property boomeconomic problems push up/drive up prices/costs/inflation damage/hurt/destroy industry/the economy cause/lead to/go into/avoid/escape recession experience/suffer a recession/downturn fight/combat inflation/deflation/unemployment cause/create inflation/poverty/unemployment create/burst a housing/stock market bubble cause/trigger a stock market crash/the collapse of the banking system face/be plunged into a financial/an economic crisis be caught in/experience cycles of boom and bustpublic finance cut/reduce/slash/increase/double the defense/education budget increase/boost/slash/cut public spending increase/raise/cut/lower/reduce taxes raise/cut/lower/reduce interest rates ease/loosen/tighten monetary policy balance the (state/federal) budget achieve/maintain a balanced budget run a ($4 trillion) budget deficit/surplus ⇨ more collocations at politics, voting compare slump see also baby boom
  2. popular period
  3. 2[usually singular] a period when something such as a sport or a type of music suddenly becomes very popular and successful The only way to satisfy the golf boom was to build more courses.
  4. on boat
  5. 3a long pole that the bottom of a sail is attached to and that you move to change the position of the sail
  6. sound
  7. 4 [usually singular] a loud, deep sound the distant boom of the guns see also sonic boom
  8. in river/harbor
  9. 5 a floating barrier that is placed across a river or the entrance to a harbor to prevent ships or other objects from coming in or going out
  10. for microphone
  11. 6 a long pole that carries a microphone or other equipment
See the Oxford Advanced Learner's Dictionary entry: boom