Meaning of spectrum in English

spectrum

/ˈspek.trəm/ us

/ˈspek.trəm/

plural spectra uk/ˈspek.trə/ us/ˈspek.trə/ spectrums

spectrum noun [C] (COLOURS)

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.

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The survey revealed a wide spectrum of opinion.
He is some way along the autistic spectrum.
He was held in great affection by people from the entire political spectrum.

SMART Vocabulary: related words and phrases

Colour - general words

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spectrum noun [C] (RANGE)

a range of different positions, opinions, etc. between two extreme points:

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.

My disease is nowhere near as bad as hers but they are on the same spectrum.

the autism spectrum

SMART Vocabulary: related words and phrases

Range and limits

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Idiom

on the spectrum

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

spectrum | American Dictionary

spectrum

noun [ C ]

/ˈspek·trəm/

spectrum noun [C] (RANGE)

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a range of objects, ideas, or opinions:

There’s agreement across the political spectrum.

A wide spectrum of opinion was represented at the meeting.

spectrum noun [C] (COLORS)

physics plural spectra us/ˈspek·trə/ spectrums

the set of colors into which a beam of light can be separated

physics plural spectra us/ˈspek·trə/ spectrums

Spectrum also means a range of waves such as light waves or radio waves.

(Definition of spectrum from the Cambridge Academic Content Dictionary © Cambridge University Press)

spectrum | Business English

spectrum

noun [ C ]

/ˈspektrəm/ us

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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 spectrum

the 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)

Examples of spectrum

spectrum

The spectra are in relative units and thus provide a comparison of the intensities of different emission bands.

From the Cambridge English Corpus

More specifically, power spectra are computed for each of the 12 electrode sites to examine power in various frequency bands.

From the Cambridge English Corpus

Each filter introduces a peak in the magnitude spectra determined by the pass-band centre frequency and by the formant bandwidth.

From the Cambridge English Corpus

I will now look at the formant spectra (or modes) of the durations for each protagonist.

From the Cambridge English Corpus

The perceptual dimensions underlying similarity judgments between pairs of timbres are based on the amplitude pattern of the spectra.

From the Cambridge English Corpus

The spectra can be roughly approximated by single temperature distributions for each intensity.

From the Cambridge English Corpus

A common sense approach to peak picking in two-, three-, and four-dimensional spectra using automatic computer analysis of contour diagrams.

From the Cambridge English Corpus

In this way, we can quantitatively assess the uncertainties associated with distinguishing between glasses and certain phyllosilicates in thermal infrared spectra of multimineralic materials.

From the Cambridge English Corpus

One of the major limitations in this direction is the difficulty of predicting or measuring two-photon absorption spectra of the fluorescent molecules used.

From the Cambridge English Corpus

Also, we observe that there is no qualitative change in the spectra when the sign of the chirp is changed while its magnitude is not.

From the Cambridge English Corpus

However, based on the current experiments, these lamps do not appear to be able to produce smooth and easily interpretable spectra of plants under stress.

From the Cambridge English Corpus

Variance of the distributions of energy levels and of the transition arrays in atomic spectra.

From the Cambridge English Corpus

The spectra have been corrected for a background signal present in oxidized hygrogenosomes, and are adjusted to the same protein concentration.

From the Cambridge English Corpus

We obtain the dispersion relations and the frequency spectra of these waves separately by using linear approximations.

From the Cambridge English Corpus

The emission spectra corresponding to these two kinds of beam movement are quite different.

From the Cambridge English Corpus

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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocations with spectrum

spectrum

These are words often used in combination with spectrum.

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atomic spectra

Variance of the distributions of energy levels and of the transition arrays in atomic spectra.

From the Cambridge English Corpus

audio spectrum

The technique is studying emissions that occur outside the audio spectrum and cannot be heard using a stethoscope.

From the

Hansard archive

Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0

diverse spectrum

However, in order to realize that role, cooperatives may resort to a very diverse spectrum of organizational strategies.

From the Cambridge English Corpus

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What is the pronunciation of spectrum?

What is the pronunciation of spectra?

C2,C1

Translations of spectrum

in Chinese (Traditional)

顔色, 光譜, 波譜…

Meaning of spectrum in English

spectrum noun [C] (COLOURS)

spectrum noun [C] (RANGE)

Idiom

spectrum | American Dictionary

spectrum noun [C] (RANGE)

spectrum noun [C] (COLORS)

spectrum | Business English

Examples of spectrum

Collocations with spectrum

spectrum

Translations of spectrum

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