The addition of a new wing to the natural history museum allowed for the display of larger dinosaur fossils.
自然历史博物馆新翼的增建使得更大的恐龙化石得以展出。
Which choice best defines “addition”?
C — The process of adding something. “addition” means the process of adding something.
Which word means “the process of adding something”?
B — addition. “addition” means the process of adding something.
addition — the process of adding something. In Chinese: 加法，增加.
addition is pronounced /əˈdɪʃən/.
The addition of a new wing to the natural history museum allowed for the display of larger dinosaur fossils. (自然历史博物馆新翼的增建使得更大的恐龙化石得以展出。)
increase, supplement, augmentation — all close in meaning to addition (the process of adding something).
subtraction, removal — each the opposite of addition (the process of adding something).
Yes. addition 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.