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单词 spectrum
释义
spectrum
noun[C]
uk
/ˈspek.trəm/us
/ˈspek.trəm/
pluralspectrauk/ˈspek.trə/us/ˈspek.trə/spectrums

spectrumnoun[C](COLOURS)

C2
the set ofcoloursinto which abeamoflightcan beseparated, or arangeofwaves, such aslightwavesorradiowaves:
光谱；波谱；声谱；频谱
Thecoloursof the spectrum -red,orange,yellow,green,blue,indigo, andviolet- can beseenin arainbow.光谱中的红、橙、黄、绿、蓝、靛、紫诸色都可以在彩虹中见到。
picture of spectrum
sitox/iStock/Getty Images Plus/GettyImages
More examples
  • Thesurveyrevealedawidespectrum ofopinion.
  • He is some way along theautisticspectrum.
  • He washeldingreataffectionbypeoplefrom theentirepoliticalspectrum.
SMART Vocabulary: related words and phrases
Colour - general words
  • bleed
  • chalkiness
  • chalky
  • chromatic
  • colour
  • colour wheel
  • colouration
  • complementary
  • dye
  • palette
  • pigmented
  • primary colour
  • recolour
  • secondary colour
  • shade
  • spectroscope
  • tie-dye
  • tint
  • tinted
  • tone
See more results »

spectrumnoun[C](RANGE)

C1
arangeof differentpositions,opinions, etc. between twoextremepoints:
（看法、感觉等的）范围，各层次
He hassupportfromacrossthewholepoliticalspectrum.他得到了所有政治派别的支持。
Thegroupincludesstudentsfrom bothendsof thesocialspectrum(=rangeofsocialclasses).这个团体包括了来自社会上、下两个阶层的学生。
Awidespectrumofopinionwasrepresentedat themeeting.会上提出了一系列广泛的意见。
Mydiseaseisnowherenear asbadas hers but they areonthe same spectrum.我的病远没有她的那么严重，但处于同一范围内。
theautismspectrum自闭症谱系
SMART Vocabulary: related words and phrases
Range and limits
  • all the way toidiom
  • ambit
  • anywhere
  • band
  • bound
  • compass
  • condition
  • gamut
  • glass ceiling
  • limit
  • limited
  • meta
  • proviso
  • realm
  • restricted
  • scope
  • specialized
  • spread
  • stretch
  • string
See more results »

Idiom

on the spectrum
(Definition ofspectrumfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

spectrum| American Dictionary

spectrum
noun[C]
us
/ˈspek·trəm/

spectrumnoun[C](RANGE)

arangeofobjects,ideas, oropinions:
There’sagreementacrossthepoliticalspectrum.
Awidespectrum ofopinionwasrepresentedat themeeting.

spectrumnoun[C](COLORS)

physicspluralspectraus/ˈspek·trə/spectrums
the set ofcolorsinto which abeamoflightcan beseparated
physicspluralspectraus/ˈspek·trə/spectrums
Spectrum alsomeansarangeofwavessuch aslightwavesorradiowaves.
(Definition ofspectrumfrom theCambridge Academic Content Dictionary© Cambridge University Press)

spectrum| Business English

spectrum
noun[C]
uk
/ˈspektrəm/us
arangeofsimilarthings:
a spectrum of sthAmethodologywill have to bedevelopedtograduallycovertheentirespectrum oftechnologies.
awide/broadspectrum
the economic/business/political spectrumHe hassupportfromacrossthewholepoliticalspectrum.
(Definition ofspectrumfrom theCambridge Business English Dictionary© Cambridge University Press)

Examplesofspectrum

spectrum
The spectra are in relative units and thus provide a comparison of the intensities of different emission bands.
From theCambridge English Corpus
More specifically, power spectra are computed for each of the 12 electrode sites to examine power in various frequency bands.
From theCambridge English Corpus
Each filter introduces a peak in the magnitude spectra determined by the pass-band centre frequency and by the formant bandwidth.
From theCambridge English Corpus
I will now look at the formant spectra (or modes) of the durations for each protagonist.
From theCambridge English Corpus
The perceptual dimensions underlying similarity judgments between pairs of timbres are based on the amplitude pattern of the spectra.
From theCambridge English Corpus
The spectra can be roughly approximated by single temperature distributions for each intensity.
From theCambridge English Corpus
A common sense approach to peak picking in two-, three-, and four-dimensional spectra using automatic computer analysis of contour diagrams.
From theCambridge 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 theCambridge English Corpus
Now we formulate and prove several lemmas concerning the actions with absolutely continuous spectrums.
From theCambridge English Corpus
The dipole moments of all the protonated molecules are large enough for the radio spectra to be seen.
From theCambridge English Corpus
The emission spectra of the impacts were observed with high-speed spectrometers.
From theCambridge English Corpus
The general philosophy is to derive appropriate scaling factors by adjusting the calculated spectra to the spectroscopic values of a number of representative molecules.
From theCambridge English Corpus
Recorded spectra were the result of absorption and scattering.
From theCambridge English Corpus
However, the spectra have been roughly normalized so that the most intense bands in each are similar in intensity, for comparison purposes.
From theCambridge English Corpus
However, those spectra, in addition, contain large portions of power within considerably higher frequencies, which cannot be explained by the one-dimensional model.
From theCambridge English Corpus
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.

Collocationswithspectrum

spectrum

These are words often used in combination withspectrum.

Click on a collocation to see more examples of it.

atomic spectra
Variance of the distributions of energy levels and of the transition arrays in atomic spectra.
From theCambridge 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 theOpen 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 theCambridge English Corpus
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.
#https://dictionary.cambridge.org//dictionary/english/spectrum##
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更新时间：2024/12/28 2:35:54