spectrum definition, meaning - what is spectrum in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “spectrum”

See all translations

spectrum

noun [C] uk   us   /ˈspek.trəm/ (plural spectra or spectrums)

spectrum noun [C] (COLOURS)

C2 the set of colours into which a beam of light can be separated, or a range of waves, such as light waves or radio waves: The colours of the spectrum - red, orange, yellow, green, blue, indigo, and violet - can be seen in a rainbow.
More examples

spectrum noun [C] (RANGE)

C1 a range of opinions, feelings, etc.: He has support from across the whole political spectrum. The group includes students from both ends of the social spectrum (= range of social classes). A wide spectrum of opinion was represented at the meeting.
(Definition of spectrum from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of spectrum?
Add Cambridge dictionaries to your browser to your website

Definitions of “spectrum” in other dictionaries

Word of the Day

cup tie

a game between two teams trying to win a cup (= prize), especially in football

Word of the Day

What’s All The Commotion About? (Words to describe sounds)

by Kate Woodford,
May 20, 2015
​​​ In this post we look at a range of words and phrases that we use to describe noise and the absence of noise. Starting with complete quiet, we sometimes use the noun hush to describe silence: A hush fell over the room as the bride walked in./There was a deathly hush (=complete

Read More 

plyscraper noun

May 18, 2015
a skyscraper made mainly from wood The development of engineered timber could herald a new era of eco-friendly ‘plyscrapers’. Christchurch welcomed its first multistorey timber structure this year, there are plans for Vancouver, and the talk is China could follow

Read More