Digital photography gradually supplanted film-based methods in most professional studios during the early twenty-first century.
在二十一世纪初，数码摄影逐渐取代了大多数专业工作室中基于胶片的方法。
Which choice best defines “supplant”?
A — Replace; displace; oust. “supplant” means replace; displace; oust.
Which word means “replace; displace; oust”?
B — supplant. “supplant” means replace; displace; oust.
supplant — replace; displace; oust. In Chinese: 取代；排挤.
supplant is pronounced /səˈplænt/.
Digital photography gradually supplanted film-based methods in most professional studios during the early twenty-first century. (在二十一世纪初，数码摄影逐渐取代了大多数专业工作室中基于胶片的方法。)
replace, displace, oust — all close in meaning to supplant (replace; displace; oust).
retain, keep — each the opposite of supplant (replace; displace; oust).
Yes. supplant 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.
sup- (under) + plant (plant) → replace, oust.