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单词 radiation
释义
radiation
noun[U]
uk
/ˌreɪ.diˈeɪ.ʃən/us
/ˌreɪ.diˈeɪ.ʃən/
C1
aformofenergythat comes from anuclearreactionand that can be verydangeroustohealth:
（核）辐射
Manyservicemensufferedradiationsicknessafter the earlyatomictests.很多军人在早期的原子弹试爆后患上了辐射病。
energyfromheatorlightthat you cannotsee:
（光或热的）辐射（能）
microwave/ultraviolet/electromagneticradiation微波／紫外线／电磁辐射
More examples
  • The radiationleakhas had adisastrouseffecton theenvironment.
  • It isfearedthatpeoplelivingnear thepowerstationmay have beenexposedto radiation.
  • Wearing thecorrecttypeofclothingwillreducetheriskfrom radiation.
  • There is somedangeroflowlevelradiation.
  • So what is anacceptablelevelof radiation?
SMART Vocabulary: related words and phrases
Physics: radiation & radioactivity
  • alpha particle
  • background radiation
  • decay
  • gamma radiation
  • gamma ray
  • half-life
  • irradiated
  • irradiation
  • luminosity
  • non-ionizing
  • non-irradiated
  • radioactive
  • radioactivity
  • radioisotope
  • sievert
  • spectrometer
  • tritium
  • UVA
  • UVB
  • weak force
See more results »
(Definition ofradiationfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

radiation| American Dictionary

radiation
noun[U]
us
/ˌreɪ·diˈeɪ·ʃən/
physics
energyin theformofwavesorparticles(= any of thesmallestpiecesofmatterthat make upatoms):
Residentsarguedthatelectromagneticradiationemittedby theradartowersmightposeahealthhazard.
(thesendingout of)heat,light, orenergyinwaves:
solarradiation
(Definition ofradiationfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofradiation

radiation
502 no radiations other than the basic waves mentioned above.
From theCambridge English Corpus
Figure 1 shows the incoming and outgoing radiations as a function of temperature.
From theCambridge English Corpus
Ideally, the study of a large set of adaptive radiations should, at least some day, lead to greater generality.
From theCambridge English Corpus
Four major clades radiated within the family, reflecting 2 radiations within birds and 2 within mammals.
From theCambridge English Corpus
Here the viewer can see that the wave break-up, and the radiations resulting from it, increase as we progress along the time axis.
From theCambridge English Corpus
Eighteen of the twenty-one chapters describe particular adaptive radiations, giving detailed descriptions of taxa in which interesting evolutionary changes have occurred (eight of which involve very recently diversified groups).
From theCambridge English Corpus
Evolutionary radiations and convergences in the structural organization of mammalian brains.
From theCambridge English Corpus
Note here the sharp forward peak of the wave, characteristic of self-focusing, but still the absence of radiations.
From theCambridge English Corpus
High-power short-wave radiations are reported to induce lethal temperatures in animal life in stored materials, so that all stages are said to be destroyed with expedition and ease.
From theCambridge English Corpus
Modelling the influence of external fields on the ability of tubules to adhere, may be a first step towards estimating the biological impact of low-frequency radiations.
From theCambridge English Corpus
A weakness of the uniformity in the book's plan, however, is that a collection of case studies of adaptive radiations begins after a while to feel repetitive.
From theCambridge English Corpus
From the outward radiations and the pointed leading edge of the wave, it is immediately clear that it is moving along the temporal, or t axis.
From theCambridge English Corpus
Contingency and determinism in replicated adaptive radiations of island lizards.
From theCambridge English Corpus
The radiations of temnospondyl amphibians.
From theCambridge English Corpus
Adaptive radiations of neotropical primates.
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.

Collocationswithradiation

radiation

These are words often used in combination withradiation.

Click on a collocation to see more examples of it.

acute radiation
This constellation of symptoms is often collectively referred to as acute radiation dermatitis.
From theCambridge English Corpus
adaptive radiation
Triculines form a wholly aquatic group exhibiting today an amazing adaptive radiation of three tribes, over 20 genera and more than 120 species.
From theCambridge English Corpus
alpha radiation
I gather that, if it were analpharadiation, he would be in a worse state than if it were gamma.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
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/radiation##
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更新时间：2024/12/27 16:19:29