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spectrum

Meaning in simple English, pronunciation and examples

Pronunciation: US /ˈspektrəm/

Forms: spectra

spectrum means: The range of colors seen when light is split into its different parts.

noun

LIGHT COLORSB2

The range of colors seen when light is split into its different parts.

  • A prism reveals the spectrum of sunlight.
  • Red lies at one end of the visible spectrum.
  • The rainbow shows colors across the spectrum.

Similar words: range of colors

Common phrases: visible spectrum, color spectrum, spectrum of light

RADIO FREQUENCIESC1

A range of frequencies used to send radio signals.

  • These signals use the radio spectrum.
  • The company bought access to more spectrum.
  • Different parts of the spectrum serve different wireless services.

Similar words: frequency range

Common phrases: radio spectrum, spectrum allocation, available spectrum

RADIATION PATTERNC2

A pattern showing which kinds of light or other radiation a substance gives off or takes in.

  • Each gas produces a different spectrum.
  • Scientists measured the sample's absorption spectrum.
  • Bright lines in the spectrum helped identify the element.

Common phrases: absorption spectrum, emission spectrum, spectrum of something

Questions about spectrum

What does spectrum mean?

The range of colors seen when light is split into its different parts.

What is spectrum in other languages?

Türkçe: ışık tayfı · Español: espectro luminoso · Français: spectre lumineux · Deutsch: Lichtspektrum · Italiano: spettro luminoso · 日本語: 光のスペクトル

How do you pronounce spectrum?

It is pronounced /ˈspektrəm/.

How do you use spectrum in a sentence?

A prism reveals the spectrum of sunlight. Red lies at one end of the visible spectrum.

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