The peak of the meteor shower will coincide with the new moon, providing ideal conditions for observation.
流星雨的高峰将与新月同时发生，为观测提供了理想条件。
A manager states that the price increase coincided with a rise in cancellations.
From a Command of Evidence: Quantitative question · Information and Ideas
Which choice best defines “coincide”?
D — To occur at the same time or to agree exactly. “coincide” means to occur at the same time or to agree exactly.
Which word means “to occur at the same time or to agree exactly”?
B — coincide. “coincide” means to occur at the same time or to agree exactly.
coincide — to occur at the same time or to agree exactly. In Chinese: 与...同时发生，与...一致.
coincide is pronounced /kəʊˈɪnsaɪd/.
The peak of the meteor shower will coincide with the new moon, providing ideal conditions for observation. (流星雨的高峰将与新月同时发生，为观测提供了理想条件。)
concur, correspond, align — all close in meaning to coincide (to occur at the same time or to agree exactly).
diverge, disagree — each the opposite of coincide (to occur at the same time or to agree exactly).
Yes. coincide 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.
co-(together) + in + cide(fall, happen) → simultaneously occur → occur at the same time