spectrum Meaning, definition in Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of "spectrum" - English Dictionary

See all translations

spectrumnoun [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
hurdle

a frame or fence for jumping over in a race

Word of the Day

Are you a glass-half-full person? (Everyday Idioms)
Are you a glass-half-full person? (Everyday Idioms)
by Kate Woodford,
July 29, 2015
A reader of this blog recently asked for a post on idioms that are used in everyday English. This seemed like a reasonable request. After all, if you are going to make the effort to learn a set of English idioms, you want those idioms to be useful. The question, then, was

Read More 

exoskeleton noun
exoskeleton noun
July 27, 2015
a robotic device which goes around the legs and part of the body of a person who cannot walk and allows them to move independently and in an upright position The device, known as an exoskeleton, is strapped to the outside of a person’s limbs and can then be controlled by them.

Read More