The scientist kept a meticulous diary of daily temperature readings and cloud formations during the polar expedition.
这位科学家在极地探险期间，详细记录了每日温度和云层形成的日记。
Which choice best defines “diary”?
B — A daily written record. “diary” means a daily written record.
Which word means “a daily written record”?
D — diary. “diary” means a daily written record.
diary — a daily written record. In Chinese: 日记.
diary is pronounced /ˈdaɪəri/.
The scientist kept a meticulous diary of daily temperature readings and cloud formations during the polar expedition. (这位科学家在极地探险期间，详细记录了每日温度和云层形成的日记。)
journal, log, chronicle — all close in meaning to diary (a daily written record).
Yes. diary 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.
dia(day)+ary(person).