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单词 speculum
释义
speculum
noun[C]
uk
/ˈspek.jə.ləm/us
/ˈspek.jə.ləm/
pluralspeculaororspeculums

speculumnoun[C](MEDICAL INSTRUMENT)

medicalspecialized
ametalinstrumentthat is put into alongnarrowpartof thebodyinordertoopenit up so it can beexamined:
（医用）窥器，扩张器
Anearspeculum may be used tolookinto theearcanal.耳窥镜可用于观察耳道。
Speculums are used insmeartests.妇科窥器用于涂片检查。
More examples
  • Hepickedup his speculum from asmallmetaltrayandstartedhisexamination.
  • The inside ofyournosemay need to beexaminedwith anasalspeculum.
  • The speculumkeepsthewallsof thevaginaapartso that thecervixcan beseen.
SMART Vocabulary: related words and phrases
Medical & surgical equipment
  • bioprinting
  • bougie
  • cannula
  • catheterization
  • catheterize
  • defibrillator
  • drip
  • ECG
  • electrocardiogram
  • inhaler
  • iron lung
  • kidney machine
  • lancet
  • nebulizer
  • needle exchange
  • puffer
  • radiograph
  • retinaculum
  • sterilizer
  • thermometer
See more results »

speculumnoun[C](BRIGHT FEATHERS)

biologyspecialized
anareaofbrightlycolouredfeathersonducksand some otherbirds:
（鸟类的）翼斑，翼镜
Thebrownduckhas adistinctivelargebluespeculum.这只棕色的鸭子长着一片很大的、与众不同的蓝色翼斑。
More examples
  • The Mallard has abrightblue-purple speculum.
  • Thesizeandcolourof the speculumvariesbetweenspecies.
  • It issmallerthan a Mallard, with ashorterbill, morepointedtail, and agreenspeculum.
  • Inflight, bothsexesflashdeep-green specula.
SMART Vocabulary: related words and phrases
Miscellaneous animal body parts
  • back end
  • bobtail
  • collar
  • dorsal
  • fetlock
  • finny
  • flipper
  • fluke
  • giblets
  • gill
  • nipple
  • pouch
  • pouched
  • prehensile
  • sting
  • teat
  • tentacle
  • underpart
  • vesicle
  • withers
See more results »
(Definition ofspeculumfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

Examplesofspeculum

speculum
Speculumextending from about basal quarter to middle of marginal vein (fig. 4i); basal fold with 2-7 setae.
From theCambridge English Corpus
Roth and colleagues suggested that there are technical limitations of thespeculum-camera interface that prevent a satisfactory view of the periphery of the retina.
From theCambridge English Corpus
The red shoveler is cinnamon in color with dark spots, and a greenspeculum.
From
Wikipedia
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The greenspeculumhas an indistinct cinnamon-buff inner border.
From
Wikipedia
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Thespeculumhelps keep the mouth open during the exam and helps avoid biting injuries.
From
Wikipedia
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The wings are whitish below, and from above show a white-bordered greenspeculum.
From
Wikipedia
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It is a poem in the tradition ofspeculumliterature, written in seven-line stanzas, not known to have appeared in print.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
The wings are whitish with black flight feathers below, and from above show a white-bordered greenspeculumand white tertials.
From
Wikipedia
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It lacks the red bill spot, and has a bluespeculum.
From
Wikipedia
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Her works reference examinations done both digitally (that is, by hand alone) and using aspeculum, and show a detailed familiarity with physiology.
From
Wikipedia
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In flight, pale blue forewing feathers are revealed, separated from the greenspeculumby a white border.
From
Wikipedia
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In flight, the lack of a white border to thespeculumis a key difference.
From
Wikipedia
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Juvenile birds resemble the female, but are less neatly scalloped and have a duller brownspeculumwith a narrower trailing edge.
From
Wikipedia
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The north-eastern race is darker and has a brighter bill and bluespeculum.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
Speculumalso had the unfortunate property of tarnishing in open air with a sensitivity to humidity, requiring constant re-polishing to maintain its usefulness.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
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/speculum##
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更新时间：2024/12/27 20:43:00