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单词 helix
释义
helix
noun[C]
uk
/ˈhiː.lɪks/us
/ˈhiː.lɪks/
pluralhelicesuk/ˈhiː.lɪ.siːz/us/ˈhiː.lɪ.siːz/

helixnoun[C](SHAPE)

mathematicsspecialized
acurvethat goes around acentraltubeorconeshapein theformof aspiral
螺旋（形）
picture of helix
Baris-Ozer/iStock/Getty Images Plus/GettyImages
SMART Vocabulary: related words and phrases
Geometry: bends, loops & curves
  • anfractuous
  • arc
  • coil
  • conic
  • curl
  • curve
  • dogleg
  • fishhook
  • hyperbola
  • hyperbolic
  • kink
  • loop
  • parabola
  • peaked
  • spline
  • tight
  • twist
  • whirl
  • whorl
  • wraparound
See more results »

helixnoun[C](OF EAR)

anatomyspecialized
thecurvededgearound thetopof theouterear:
耳轮
The helix is apopularsiteforearpiercings.耳轮是打耳孔的常用位置。
SMART Vocabulary: related words and phrases
The ear
  • anvil
  • audiological
  • audiology
  • auditory nerve
  • auricle
  • auricular
  • auricularis
  • cochlear
  • Eustachian tube
  • labyrinth
  • labyrinthitis
  • lobe
  • lug
  • lughole
  • middle ear
  • otalgia
  • oto-
  • otologist
  • stapes
  • tympanum
See more results »

Related word

helical
(Definition ofhelixfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

helix| American Dictionary

helix
noun[C]
us/ˈhi·lɪks/
helixorhelicesus/ˈhel·əˌsiz,ˈhi·lə-/
geometry
ashapecurvingcontinuouslyaround acenterpointas of alinewrappedaround acylinderor acone; aspiral
(Definition ofhelixfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofhelix

helix
Effect of a triplex-binding ligand on parallel and antiparallel triple helices using short unmodified and arcidine-linked oligonucleotides.
From theCambridge English Corpus
The component helices might be held together only by the continuity of the strands, or they might undergo pairwise coaxial stacking.
From theCambridge English Corpus
The outer surface is formed by a -hairpin and two helices.
From theCambridge English Corpus
The catalytic subunit has an overall -helical structure containing five helices.
From theCambridge English Corpus
At # low salt concentration the junction is extended, with no stacking of helices.
From theCambridge English Corpus
As with the other structures, the junction is a right-handed antiparallel cross of pairwise, coaxially stacked helices.
From theCambridge English Corpus
The dynamic programming methods predict a larger proportion of long range helices than actually occur.
From theCambridge English Corpus
Isolated base pairs are usually unstable ; hence, helices usually consist of at least two pairs.
From theCambridge English Corpus
In this model, the amphipathic peptide helices associate to form a bundle, which resembles a barrel composed of helices as staves.
From theCambridge English Corpus
Sensor domains were identified as the segment between predicted transmembrane helices associated with histidine kinase domains.
From theCambridge English Corpus
Thus, fusion between double helices can occur between strands of the same polarity or of opposite polarity.
From theCambridge English Corpus
The inner wall of the complex is formed by the 9 a-apoprotein helices.
From theCambridge English Corpus
The peptides are 20 and 23 residues long respectively and are predicted to form amphipathic helices.
From theCambridge English Corpus
In the latter cases, the coupling efficiency will depend on the nature of the interactions between helices.
From theCambridge English Corpus
A mean of 81 % of the welldetermined helices are present in the comparative structure.
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/helix##
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更新时间：2024/12/27 9:07:30