spectrum Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of “spectrum” in the English Dictionary

"spectrum" in British English

See all translations

spectrumnoun [C]

uk   /ˈspek.trəm/  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 ​lightwaves or ​radiowaves: The ​colours of the spectrum - ​red, ​orange, ​yellow, ​green, ​blue, ​indigo, and ​violet - can be ​seen in a ​rainbow.

expend iconexpend iconMore examples

(Definition of spectrum from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"spectrum" in American English

See all translations

spectrumnoun [C]

 us   /ˈspek·trəm/
  • spectrum noun [C] (RANGE)

a ​range of ​objects, ​ideas, or ​opinions: There’s ​agreementacross the ​political spectrum. A ​wide spectrum of ​opinion was ​represented at the ​meeting.
  • spectrum noun [C] (COLORS)

(plural spectra  /ˈspek·trə/ or spectrums) physics the set of ​colors into which a ​beam of ​light can be separated
(plural spectra  /ˈspek·trə/ or spectrums) physics Spectrum also ​means a ​range of ​waves such as ​lightwaves or ​radiowaves.
(Definition of spectrum from the Cambridge Academic Content Dictionary © Cambridge University Press)

"spectrum" in Business English

See all translations

spectrumnoun [C]

uk   us   /ˈspektrəm/
a ​range of similar things: a spectrum of sth A ​methodology will have to be ​developed to gradually ​cover the entire spectrum of ​technologies. a wide/broad spectrumthe economic/business/political spectrum He has ​support from across the whole ​political spectrum.
(Definition of spectrum from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of spectrum?
Add Cambridge dictionaries to your browser to your website

“spectrum” in British English

“spectrum” in American English

More meanings of “spectrum”

Just who is driving this thing?
Just who is driving this thing?
by ,
May 03, 2016
by Colin McIntosh Do you remember Herbie the Love Bug? Herbie was a 1963 Volkswagen Beetle car in a string of Walt Disney movies. In typical Disney anthropomorphic style, Herbie goes his own way, falls in love, cries, plays jokes, and generally has a mind of his own. While the new driverless cars, like those being

Read More 

Word of the Day

star

a very large ball of burning gas in space that is usually seen from the earth as a point of light in the sky at night

Word of the Day

trigger warning noun
trigger warning noun
May 02, 2016
a warning that a subject may trigger unpleasant emotions or memories This is not, I should stress, an argument that trigger warnings should become commonplace on campus.

Read More