noun
spectrum
Used in scientific and technical contexts, such as physics (light, electromagnetic waves) or figuratively for a range of something.
光をプリズムに通すと、スペクトラムが観察できる。
When light passes through a prism, a spectrum can be observed.
この問題は広いスペクトラムの意見を含んでいる
This issue includes a broad spectrum of opinions.