The scientist presented a coherent theory that unified disparate observations into a single explanatory framework.
科学家提出了一个连贯的理论，将不同的观测结果统一到一个解释框架中。
Which choice best defines “coherent”?
B — Logical and consistent. “coherent” means logical and consistent.
Which word means “logical and consistent”?
D — coherent. “coherent” means logical and consistent.
coherent — logical and consistent. In Chinese: 连贯的，一致的.
coherent is pronounced /kəʊˈhɪərənt/.
The scientist presented a coherent theory that unified disparate observations into a single explanatory framework. (科学家提出了一个连贯的理论，将不同的观测结果统一到一个解释框架中。)
logical, consistent, organized — all close in meaning to coherent (logical and consistent).
incoherent, disjointed — each the opposite of coherent (logical and consistent).
Yes. coherent 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) + here (stick) + -ent (adjective suffix) → sticking together → coherent