Tra từ boom - Từ điển Oxford Advanced Learner 8th

boom [boom booms boomed booming] noun, verb BrE [buːm] NAmE [buːm]
noun

IN BUSINESS/ECONOMY
1. a sudden increase in trade and economic activity; a period of wealth and success
•Living standards improved rapidly during the post-war boom.
•~ in sth a boom in car sales
•a boom year (for trade, exports, etc.)
•a property/housing boom
•a chaotic period of boom and bust
compare ↑slump
see also ↑baby boom

POPULAR PERIOD
2. usually singular a period when sth 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.

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 sound
•the distant boom of the guns
see also ↑sonic boom

IN RIVER/HARBOUR
5. a floating barrier that is placed across a river or the entrance to a ↑harbour 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

Word Origin:
n. sense 4 and v. senses 1 to 2 late Middle English Dutch bommen ‘to hum, buzz’ n. senses 1 to 2 and v. sense 3 late 19th cent. ↑boom ‘a loud sound’ n. sense 3 and n. senses 5 to 6 mid 16th cent. ‘beam, pole’ Dutch ↑beam

Collocations:
The economy
Managing 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 US/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 boom
Economic 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 bust
Public finance
cut/reduce/slash/increase/double the defence/(especially US) defense/education/aid budget
increase/boost/slash/cut public spending
increase/put up/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

Example Bank:
•He was born during the post-war baby boom.
•The boom was fuelled by accelerated demand for consumer products.
•The deep boom of a foghorn echoed across the bay.
•We heard the sonic boom of a jet overhead.
•a boom in house prices
•a boom in real estate
•the baby boom generation
•the ordinary business cycle of boom and bust
•A sonic boom is produced when an aircraft travels faster than the speed of sound.
•The deafening boom of the explosion was heard up to 10 kilometres away.
•a boom year for exports
•a property/housing boom

verb

MAKE LOUD SOUND
1. intransitive to make a loud deep sound
•Outside, thunder boomed and crashed.
2. transitive, intransitive to say sth in a loud deep voice
•+ speech ‘Get out of my sight!’ he boomed.
•~ (out) A voice boomed out from the darkness.
•He had a booming voice.

OF BUSINESS/ECONOMY
3. intransitive to have a period of rapid growth; to become bigger, more successful, etc
•By the 1980s, the computer industry was booming.
•Business is booming!
Verb forms:

Word Origin:
n. sense 4 and v. senses 1 to 2 late Middle English Dutch bommen ‘to hum, buzz’ n. senses 1 to 2 and v. sense 3 late 19th cent. ↑boom ‘a loud sound’ n. sense 3 and n. senses 5 to 6 mid 16th cent. ‘beam, pole’ Dutch ↑beam

Example Bank:
•A voice from the loudspeaker boomed out, ‘Good evening, ladies and gentlemen’.
•Loud music boomed from the public-address system.
•A crash of thunder boomed so loudly that the floor shook.
•The club scene was booming.
•The ship's gun boomed and the shot fell only a hundred metres away.
•Tourist numbers have boomed in recent years.