With the advent of affordable solar panels, rooftop installations proliferated rapidly across suburban neighborhoods in the past decade.
随着价格实惠的太阳能电池板的出现，过去十年间，郊区社区的屋顶安装数量迅速激增。
Which choice best defines “proliferate”?
A — To increase rapidly in numbers or amount. “proliferate” means to increase rapidly in numbers or amount.
Which word means “to increase rapidly in numbers or amount”?
B — proliferate. “proliferate” means to increase rapidly in numbers or amount.
proliferate — to increase rapidly in numbers or amount. In Chinese: 激增，扩散.
proliferate is pronounced /prəˈlɪfəreɪt/.
With the advent of affordable solar panels, rooftop installations proliferated rapidly across suburban neighborhoods in the past decade. (随着价格实惠的太阳能电池板的出现，过去十年间，郊区社区的屋顶安装数量迅速激增。)
multiply, mushroom, expand — all close in meaning to proliferate (to increase rapidly in numbers or amount).
decline, diminish — each the opposite of proliferate (to increase rapidly in numbers or amount).
Yes. proliferate is on the SAT Prep Easy list — mid-frequency academic words that do get tested. 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.
pro(before)+lifer(life)+ate(make)→ make life move forward → proliferate, multiply rapidly.