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单词 expiration
释义
expiration
noun[UorC]
uk
/ˌek.spɪˈreɪ.ʃən/us
/ˌek.spəˈreɪ.ʃən/

expirationnoun[U or C](END)

mainlyUS
(UKusuallyexpiry,uk
/ɪkˈspaɪə.ri/us
/ɪkˈspaɪr.i/)
thesituationin which something thatlastsfor afixedlengthoftimecomes to an end orstopsbeing in use:
the expiration of alease/visa
What is the expirationdateofyourcreditcard?(= What is the lastdateon which it can be used?)
More examples
  • He wasfiredbefore the expiration of hiscontract.
  • Ourautomatedauto-renewalsystemwillnotifyyou whenyourdomainnameisnearingexpiration.
  • Heclaimedthat hisexpectationofprivacyshould havecontinuedbeyond the expiration of therentalperiod.
  • Thepharmaceuticalcompanyfacesawaveofpatentexpirations onitsbestsellingdrugs.
SMART Vocabulary: related words and phrases
Ends and endings
  • a screeching haltidiom
  • accomplishment
  • break
  • breaksomethingup
  • cessation
  • completion
  • conclusion
  • culmination
  • death
  • end
  • ending
  • expiry
  • fag
  • finalization
  • finish
  • finitude
  • showstopper
  • swansong
  • the fag end ofsomethingidiom
  • the tail end
See more results »

expirationnoun[U or C](BREATHING)

medical,biologyspecialized
theactofbreathingout:
Duringnormalbreathing, expiration ispassiveand nomusclesarecontracted.
Breathintakeand expiration weremostlyactiveonly in theupperhalfof herchest.
More examples
  • Asthma ischaracterizedbyrecurringepisodesofdifficultbreathingandwheezingon expiration andinspiration.
  • The stridor is usuallyheardwhen theinfantbreathesin (inspiration), but can also beheardwhen theinfantbreaths out (expiration).
  • Heextinguishedthecandleby asharpexpiration ofbreathonitsflame.
  • Thepatientperformsone or twoforcedexpirations (huffs) from mid tolowlungvolume.
SMART Vocabulary: related words and phrases
Animal physiology: breathing & stopping breathing
  • aerobic
  • aerobic respiration
  • anaerobic respiration
  • asphyxia
  • asphyxiation
  • breathable
  • breathlessly
  • draw breathphrase
  • exhale
  • heave
  • puff
  • puffed (out)
  • shallow
  • sigh
  • sleep apnoea
  • smother
  • snuffle
  • strangulate
  • suffocation
  • throttle
See more results »
(Definition ofexpirationfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

expiration| American Dictionary

expiration
noun[U]
us
/ˌek·spəˈreɪ·ʃən/
the end of aperiodoftimeduring which anagreementorofficialdocumentcan be used:
Hestayedon past the expiration of histouristvisa.
(Definition ofexpirationfrom theCambridge Academic Content Dictionary© Cambridge University Press)

expiration| Business English

expiration
noun[U]
US
uk
/ekspɪˈreɪʃən/us
→expiry:
Trading wasbriskas thequarterlyexpiration ofoptionsandfuturesspurreddemandforshares.
(Definition ofexpirationfrom theCambridge Business English Dictionary© Cambridge University Press)

Examplesofexpiration

expiration
In spontanously breathing children, the time available forexpirationis approximately twice the time of inspiration.
From theCambridge English Corpus
Depending on how the assessment was conducted, it might be very difficult to give an exactexpirationdate for the report.
From theCambridge English Corpus
Inspirations are shown as positive values and expirations as negative values.
From theCambridge English Corpus
Early vocalizations, arising from theexpirationof air through the vocal tract, consist of a natural, vowel-like resonance reflecting characteristics of the oral cavity.
From theCambridge English Corpus
From recordings made in the caval veins duringexpiration, maximal velocities were determined during both systole and diastole.
From theCambridge English Corpus
In mechanically ventilated patients with total cavo-pulmonary anastomoses, the pulmonary blood flow is increased duringexpiration.
From theCambridge English Corpus
During inspiration, the velocity of forward flow across the tricuspid valve was relatively normal, while duringexpirationthere was diastolic reversal of flow.
From theCambridge English Corpus
Delivery is at the discretion of the short position holder and can be exercised any time during the contractexpirationmonth.
From theCambridge English Corpus
We now consider leaseexpirationat a known date in the future.
From theCambridge English Corpus
This appeared duringexpiration, and not on inspiration as is expected in conditions with reduced compliance and abnormal rise in pressure.
From theCambridge English Corpus
The longest period for a lease with anexpirationdate ends in 2077, although some leases extend in perpetuity.
From theCambridge English Corpus
In deriving the equilibrium, we have assumed that, upon theexpirationof the advance notice, the firm can dismiss the worker at no cost.
From theCambridge English Corpus
The duration of one'sexpiration[for each repercussion] will be gradually shortened and the repercussions will become more rapid.
From theCambridge English Corpus
To minimize the potential error introduced by respiratory translation of cardiac position, acquisition of images in older children and adults was timed with endexpiration.
From theCambridge English Corpus
A fact is said to be expired after itsexpirationinterval.
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/expiration##
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更新时间：2025/1/14 16:46:39