Definition of boom noun from the Oxford Advanced American Dictionary

boom

noun
/bum/
 
 

in business/economy

1 a sudden increase in trade and economic activity; a period of wealth and successLiving standards improved rapidly during the postwar boom. boom in somethinga boom in car salesa boom year (for trade, exports, etc.)a property/housing booma chaotic period of boom and bust compare slump see also baby boom

popular period

2 [usually singular] a period when something such as a sport or a type of music suddenly becomes very popular and successfulThe only way to satisfy the golf boom was to build more courses.

on boat

3 a long pole that the bottom of a sail is attached to and that you move to change the position of the sail

sound

4 [usually singular] a loud, deep soundthe distant boom of the guns see also sonic boom

in river/harbor

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

for microphone

6 a long pole that carries a microphone or other equipment
Usage noteUsage note: The Economymanaging the economyhandle/run/manage the economyboost investment/spending/employment/growthstimulate demand/the economy/industrycut/reduce investment/spending/borrowingreduce/curb/control/keep down inflationcreate/fuel growth/demand/a boom/a bubbleencourage/foster/promote/stimulate/stifle innovation/competitionencourage/work with/compete with the private sectorincrease/boost/promote U.S./agricultural exportsban/restrict/block cheap/foreign importsthe economy grows/expands/shrinks/contracts/slows (down)/recovers/improves/is boomingenjoy an economic/housing/property boomeconomic problemspush up/drive up prices/costs/inflationdamage/hurt/destroy industry/the economycause/lead to/go into/avoid/escape recessionexperience/suffer a recession/downturnfight/combat inflation/deflation/unemploymentcause/create inflation/poverty/unemploymentcreate/burst a housing/stock market bubblecause/trigger a stock market crash/the collapse of the banking systemface/be plunged into a financial/an economic crisisbe caught in/experience cycles of boom and bustpublic financecut/reduce/slash/increase/double the defense/education budgetincrease/boost/slash/cut public spendingincrease/raise/cut/lower/reduce taxesraise/cut/lower/reduce interest ratesease/loosen/tighten monetary policybalance the (state/federal) budgetachieve/maintain a balanced budgetrun a ($4 trillion) budget deficit/surplus⇨ more collocations at politics, voting