Definition of sinistral in English:

sinistral

adjective ˈsɪnɪstr(ə)lˈsɪnəstrəl

1Of or on the left side or the left hand.
左边的，尤指
The opposite of dextral
Example sentencesExamples
- Nevertheless, sinistral and dextral Pb elements are virtually mirror images, that is, they are more alike than the corresponding elements in L. variabilis.
Synonyms
left-hand, at nine o'clock
1. 1.1 Left-handed.
  左手的
  Example sentencesExamples
  Although sinistral individuals are known in many normally dextral species, left-handedness as a characteristic of species is rare in most gastropod clades.
2. 1.2Geology Relating to or denoting a strike-slip fault in which the motion of the block on the opposite side of the fault from an observer is towards the left.
  〔地质〕（走向滑动断层）左侧的
  Example sentencesExamples
  This paper tentatively identifies two lineaments and a fault that may relate to sinistral strike-slip faulting in the pre-Paradox Formation basement beneath Upheaval Dome.
  Deposition of the unconformably overlying Red Bay Group was terminated in latest Lochkovian times by renewed sinistral strike-slip faulting.
  Although data on vertical displacement on the Klima fault zone are limited, the horizontal component is clearly much larger, and the Klima fault zone represents a sinistral strike-slip fault.
  The temporal distribution of first appearances of sinistral clades as documented by fossils generally differs from that of clades with a labral tooth.
  In conclusion, the geological characteristics of the South China Sea cannot be explained by a pull-apart model involving a releasing bend of a sinistral strike-slip fault.
3. 1.3Zoology (of a spiral mollusc shell) with whorls rising to the left and coiling in a clockwise direction.
  〔动〕（螺旋状软体动物壳）左旋的
  Example sentencesExamples
  This protoconch is discoidal or almost dicoidal and sinistral.
  If the umbilicate side is directed downward and the flat side upward, this gives the impression the shell is sinistral or a left-handed spiral, because the aperture when held toward the observer is on the left.
  These gastropods have slender, high-spired, multiwhorled shells bearing a sinistral protoconch and were united by Knight in the family Streptacididae.
  The unusual change in shell coiling from dextral to sinistral during their ontogeny represents a character which makes their recognition in the fossil record easy.
  The latter species has a smooth, valvatiform, dextrally coiled teleoconch and a sinistral, anastrophic (coaxial heterostrophic) protoconch.

nounˈsɪnɪstr(ə)l

A left-handed person.
左手的
Example sentencesExamples
- Left-handed children, or sinistrals, often have a difficult time in a world geared overwhelmingly to the right-handed.

Derivatives

sinistrality

noun sɪnɪsˈtralɪti

What I mean to suggest here is that sinistrality was encoded as a sign of self-portraiture itself.
Example sentencesExamples
- Such selection is inimical to the evolution of traits like sinistrality that, at least in their early stages of development, are accompanied by mildly deleterious side effects.
- There is no trend from dextrality to sinistrality, but rather large clades characterized by one form or the other, sometimes with large-ish subclades of the complementary type.
- Further evidence that species-level sinistrality originated in environments where predator-induced selection is weak comes from the biology of living left-handed species.
- Handedness is known to affect patterns of mating in gastropods, making it likely that the establishment of sinistrality in dextral lineages is associated with sexual selection.

sinistrally

adverb

He matched two apparently similar granite intrusions on either side of the fault and argued that they had been displaced sinistrally about 100 km.
Example sentencesExamples
- The sinistrally transtensional Louisburgh Basin contains PrIdolI fluviatile sediments and, probably, dates the end of transpressional deformation.
- The outer shell surface of both sinistrally coiled species of Crassimarginata is ornamented by distinct costae, but the dextrally coiled shells of Yukonoconcha seem to be smooth.
- The sinistrally transpressive nature of the Baltica-Laurentia collision deduced by Soper et al. is confirmed.
- Both species described here are sinistrally coiled, but a similar pattern of ornamentation is present on two Pennsylvanian species that are dextrally coiled.

Definition of sinistral in US English:

sinistral

adjectiveˈsinəstrəlˈsɪnəstrəl

1Of or on the left side or the left hand.
左边的，尤指
The opposite of dextral
Example sentencesExamples
- Nevertheless, sinistral and dextral Pb elements are virtually mirror images, that is, they are more alike than the corresponding elements in L. variabilis.
Synonyms
left-hand, at nine o'clock
1. 1.1 Left-handed.
  左手的
  Example sentencesExamples
  Although sinistral individuals are known in many normally dextral species, left-handedness as a characteristic of species is rare in most gastropod clades.
2. 1.2Geology Relating to or denoting a strike-slip fault in which the motion of the block on the opposite side of the fault from an observer is toward the left.
  〔地质〕（走向滑动断层）左侧的
  Example sentencesExamples
  In conclusion, the geological characteristics of the South China Sea cannot be explained by a pull-apart model involving a releasing bend of a sinistral strike-slip fault.
  The temporal distribution of first appearances of sinistral clades as documented by fossils generally differs from that of clades with a labral tooth.
  Although data on vertical displacement on the Klima fault zone are limited, the horizontal component is clearly much larger, and the Klima fault zone represents a sinistral strike-slip fault.
  Deposition of the unconformably overlying Red Bay Group was terminated in latest Lochkovian times by renewed sinistral strike-slip faulting.
  This paper tentatively identifies two lineaments and a fault that may relate to sinistral strike-slip faulting in the pre-Paradox Formation basement beneath Upheaval Dome.
3. 1.3Zoology (of a spiral mollusk shell) with whorls rising to the left and coiling in a clockwise direction.
  〔动〕（螺旋状软体动物壳）左旋的
  Example sentencesExamples
  The unusual change in shell coiling from dextral to sinistral during their ontogeny represents a character which makes their recognition in the fossil record easy.
  The latter species has a smooth, valvatiform, dextrally coiled teleoconch and a sinistral, anastrophic (coaxial heterostrophic) protoconch.
  These gastropods have slender, high-spired, multiwhorled shells bearing a sinistral protoconch and were united by Knight in the family Streptacididae.
  If the umbilicate side is directed downward and the flat side upward, this gives the impression the shell is sinistral or a left-handed spiral, because the aperture when held toward the observer is on the left.
  This protoconch is discoidal or almost dicoidal and sinistral.

词汇	sinistral
释义	Definition of sinistral in English: sinistral adjective ˈsɪnɪstr(ə)lˈsɪnəstrəl 1Of or on the left side or the left hand. 左边的，尤指 The opposite of dextral Example sentencesExamples Nevertheless, sinistral and dextral Pb elements are virtually mirror images, that is, they are more alike than the corresponding elements in L. variabilis. Synonyms left-hand, at nine o'clock 1.1 Left-handed. 左手的 Example sentencesExamples Although sinistral individuals are known in many normally dextral species, left-handedness as a characteristic of species is rare in most gastropod clades. 1.2Geology Relating to or denoting a strike-slip fault in which the motion of the block on the opposite side of the fault from an observer is towards the left. 〔地质〕（走向滑动断层）左侧的 Example sentencesExamples This paper tentatively identifies two lineaments and a fault that may relate to sinistral strike-slip faulting in the pre-Paradox Formation basement beneath Upheaval Dome. Deposition of the unconformably overlying Red Bay Group was terminated in latest Lochkovian times by renewed sinistral strike-slip faulting. Although data on vertical displacement on the Klima fault zone are limited, the horizontal component is clearly much larger, and the Klima fault zone represents a sinistral strike-slip fault. The temporal distribution of first appearances of sinistral clades as documented by fossils generally differs from that of clades with a labral tooth. In conclusion, the geological characteristics of the South China Sea cannot be explained by a pull-apart model involving a releasing bend of a sinistral strike-slip fault. 1.3Zoology (of a spiral mollusc shell) with whorls rising to the left and coiling in a clockwise direction. 〔动〕（螺旋状软体动物壳）左旋的 Example sentencesExamples This protoconch is discoidal or almost dicoidal and sinistral. If the umbilicate side is directed downward and the flat side upward, this gives the impression the shell is sinistral or a left-handed spiral, because the aperture when held toward the observer is on the left. These gastropods have slender, high-spired, multiwhorled shells bearing a sinistral protoconch and were united by Knight in the family Streptacididae. The unusual change in shell coiling from dextral to sinistral during their ontogeny represents a character which makes their recognition in the fossil record easy. The latter species has a smooth, valvatiform, dextrally coiled teleoconch and a sinistral, anastrophic (coaxial heterostrophic) protoconch. nounˈsɪnɪstr(ə)l A left-handed person. 左手的 Example sentencesExamples Left-handed children, or sinistrals, often have a difficult time in a world geared overwhelmingly to the right-handed. Derivatives sinistrality noun sɪnɪsˈtralɪti What I mean to suggest here is that sinistrality was encoded as a sign of self-portraiture itself. Example sentencesExamples Such selection is inimical to the evolution of traits like sinistrality that, at least in their early stages of development, are accompanied by mildly deleterious side effects. There is no trend from dextrality to sinistrality, but rather large clades characterized by one form or the other, sometimes with large-ish subclades of the complementary type. Further evidence that species-level sinistrality originated in environments where predator-induced selection is weak comes from the biology of living left-handed species. Handedness is known to affect patterns of mating in gastropods, making it likely that the establishment of sinistrality in dextral lineages is associated with sexual selection. sinistrally adverb He matched two apparently similar granite intrusions on either side of the fault and argued that they had been displaced sinistrally about 100 km. Example sentencesExamples The sinistrally transtensional Louisburgh Basin contains PrIdolI fluviatile sediments and, probably, dates the end of transpressional deformation. The outer shell surface of both sinistrally coiled species of Crassimarginata is ornamented by distinct costae, but the dextrally coiled shells of Yukonoconcha seem to be smooth. The sinistrally transpressive nature of the Baltica-Laurentia collision deduced by Soper et al. is confirmed. Both species described here are sinistrally coiled, but a similar pattern of ornamentation is present on two Pennsylvanian species that are dextrally coiled. Definition of sinistral in US English: sinistral adjectiveˈsinəstrəlˈsɪnəstrəl 1Of or on the left side or the left hand. 左边的，尤指 The opposite of dextral Example sentencesExamples Nevertheless, sinistral and dextral Pb elements are virtually mirror images, that is, they are more alike than the corresponding elements in L. variabilis. Synonyms left-hand, at nine o'clock 1.1 Left-handed. 左手的 Example sentencesExamples Although sinistral individuals are known in many normally dextral species, left-handedness as a characteristic of species is rare in most gastropod clades. 1.2Geology Relating to or denoting a strike-slip fault in which the motion of the block on the opposite side of the fault from an observer is toward the left. 〔地质〕（走向滑动断层）左侧的 Example sentencesExamples In conclusion, the geological characteristics of the South China Sea cannot be explained by a pull-apart model involving a releasing bend of a sinistral strike-slip fault. The temporal distribution of first appearances of sinistral clades as documented by fossils generally differs from that of clades with a labral tooth. Although data on vertical displacement on the Klima fault zone are limited, the horizontal component is clearly much larger, and the Klima fault zone represents a sinistral strike-slip fault. Deposition of the unconformably overlying Red Bay Group was terminated in latest Lochkovian times by renewed sinistral strike-slip faulting. This paper tentatively identifies two lineaments and a fault that may relate to sinistral strike-slip faulting in the pre-Paradox Formation basement beneath Upheaval Dome. 1.3Zoology (of a spiral mollusk shell) with whorls rising to the left and coiling in a clockwise direction. 〔动〕（螺旋状软体动物壳）左旋的 Example sentencesExamples The unusual change in shell coiling from dextral to sinistral during their ontogeny represents a character which makes their recognition in the fossil record easy. The latter species has a smooth, valvatiform, dextrally coiled teleoconch and a sinistral, anastrophic (coaxial heterostrophic) protoconch. These gastropods have slender, high-spired, multiwhorled shells bearing a sinistral protoconch and were united by Knight in the family Streptacididae. If the umbilicate side is directed downward and the flat side upward, this gives the impression the shell is sinistral or a left-handed spiral, because the aperture when held toward the observer is on the left. This protoconch is discoidal or almost dicoidal and sinistral.
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