The electromagnetic spectrum is a continuum of wavelengths, from radio waves to gamma rays, each with distinct properties.
电磁波谱是一个从无线电波到伽马射线的波长连续体，每种波长都有不同的特性。
Which choice best defines “continuum”?
A — A continuous sequence or range. “continuum” means a continuous sequence or range.
Which word means “a continuous sequence or range”?
B — continuum. “continuum” means a continuous sequence or range.
continuum — a continuous sequence or range. In Chinese: 连续体.
continuum is pronounced /kənˈtɪnjuəm/.
The electromagnetic spectrum is a continuum of wavelengths, from radio waves to gamma rays, each with distinct properties. (电磁波谱是一个从无线电波到伽马射线的波长连续体，每种波长都有不同的特性。)
spectrum, range, sequence — all close in meaning to continuum (a continuous sequence or range).
Yes. continuum 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.