The economic boom in the 1920s led to unprecedented construction of skyscrapers in major American cities.
1920年代的经济繁荣导致了美国主要城市前所未有的摩天大楼建设。
Which choice best defines “boom”?
D — A rapid increase/sound. “boom” means a rapid increase/sound.
Which word means “a rapid increase/sound”?
D — boom. “boom” means a rapid increase/sound.
boom — a rapid increase/sound. In Chinese: 繁荣，隆隆声.
boom is pronounced /buːm/.
The economic boom in the 1920s led to unprecedented construction of skyscrapers in major American cities. (1920年代的经济繁荣导致了美国主要城市前所未有的摩天大楼建设。)
surge, expansion, growth — all close in meaning to boom (a rapid increase/sound).
bust, decline — each the opposite of boom (a rapid increase/sound).
Yes. boom is on the SAT Prep Basic list — the everyday academic words the SAT assumes you already have. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.
boom (onomatopoeia)