spectrum
UK/'spektrəm/US/'spektrәm/
IELTSTOEFLGREA2
Definitions
n.
The full range of light or other waves arranged by wavelength.
光谱；频谱
n.
A complete range or scale of opinions, qualities, or values.
范围；全谱；幅度
n.
(Medical/psychology) a range of related conditions (e.g., autism spectrum).
谱系；范畴（如自闭症谱系）
Root Breakdown
Root-derivedLatin spectrum = «an apparition, an image,» from specere (to look). Newton (1666) used it for the band of colors produced by light passing through a prism. The «range» sense generalizes that image.
Root sp still carries 131 more wordsCommon Collocations
- 1.color spectrum色谱
- 2.broad spectrum广谱
- 3.political spectrum政治光谱
- 4.across the spectrum全谱
- 5.autism spectrum自闭症谱系
Example Sentences
- 1.
A prism splits white light into its color spectrum.
- 2.
Political views span the whole spectrum.
- 3.
She works with children on the autism spectrum.