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单词 oxidation
释义
oxidation
noun[U]
US
us
/ˌɑːk.səˈdeɪ.ʃən/uk
/ˌɒk.sɪˈdeɪ.ʃən/
(alsooxidization);(UKusuallyoxidisation)
theprocessof asubstanceorchemicalelementoxidizing:
Sulfuricacidvaporis aproductof the oxidation ofsulfurcompoundsfrommarinealgae.
See
oxidize
More examples
  • Thenaturalprocessof oxidationcausesthe light-graymarksof a silverpointdrawingtoturn, overtime, awarmgrayish-brown.
  • Thepaintbindermay havegraduallyundergoneinternalchangescausedby oxidation.
  • Antioxidantsfightoxygen-freeradicalsthatcausethechemicalprocessof oxidation, which caninjuretissueandleadtocancer.
  • In 1980, Sharplessshowedhow tocreatepurechiralcompoundsthrough anentirelydifferentcatalyticreaction, called oxidation.
SMART Vocabulary: related words and phrases
Physical & chemical processes
  • absorbable
  • absorptive
  • absorptive capacity
  • acidification
  • addition reaction
  • condense
  • evaporate
  • evaporation
  • excitability
  • excitation
  • excite
  • exergonic
  • nuclear fission
  • oxidize
  • recondense
  • redox
  • refraction
  • rehydrate
  • reliquefy
  • solidify
See more results »
(Definition ofoxidationfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

oxidation| American Dictionary

oxidation
noun[U]
us
/ˌɑk·sɪˈdeɪ·ʃən/
chemistry
theprocessby whichironandsteelrust
chemistry
Oxidation is also thechemicalprocessby which anatomorgroupofatomsloseselectrons.
(Definition ofoxidationfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofoxidation

oxidation
A number of markers of tissueoxidationhave been demonstrated to be elevated in muscles of old mice and humans.
From theCambridge English Corpus
To be formed, raised (ombrotrophic) mires require high annual precipitations (> 2500 mm) evenly distributed through the year to protect the peat from severeoxidation.
From theCambridge English Corpus
This implies that the primary mechanism of ironoxidationin this microbial mat is oxygen production by cyanobacteria.
From theCambridge English Corpus
Early on it was clear that metal centres in some dimers in lowoxidationstates tended to artificially drift apart.
From theCambridge English Corpus
This yielded a larger number of quantifiable compounds without the risk of including artefacts caused byoxidationin leaf homogenates.
From theCambridge English Corpus
Their presence, or sometimes dominance, in every sample of this study, suggests that post-depositionaloxidationdid not alter the assemblages.
From theCambridge English Corpus
Older soils are clearly distinguished from younger soils in having browner or reddish colours with an increased depth ofoxidation.
From theCambridge English Corpus
It stabilises membranes by reacting with sulphydryl groups of membrane proteins forming stable mercaptides, thus preventingoxidationby inhibiting intramolecular disulphide formation.
From theCambridge English Corpus
Further, many states with different spins and differentoxidationstates are usually involved.
From theCambridge English Corpus
Photocatalyticoxidationof organic substrates requires an electron acceptor, light of the proper wavelength, and low concentrations of catalyst fouling agents or interfering radical scavengers.
From theCambridge English Corpus
Uranium is very susceptible tooxidation, which is bad for two reasons.
From theCambridge English Corpus
Nooxidationor ultrasound treatments were applied since these techniques could have damaged the dinoflagellate cysts or caused selective loss of species.
From theCambridge English Corpus
Detection of monoclonal antibodies specific for carbohydrate epitopes using periodateoxidation.
From theCambridge English Corpus
These log-linear phases most likely are describing the time constant of the ratelimiting reaction in the alternativeoxidationpathway.
From theCambridge English Corpus
These side reactions occur on the millisecond timescale and therefore do not compete with the main electron transfer pathway leading to wateroxidation.
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/oxidation##
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更新时间：2024/12/28 0:27:47