Definition of twinning in English:

twinning

nounˈtwɪnɪŋˈtwɪnɪŋ

mass noun

1The bearing of twins.
孪生，双生
the study showed an increased level of twinning in cattle
该研究表明牛的孪生有增加。
Example sentencesExamples
- This result should reassure women planning pregnancies, their healthcare providers, and the wider health community that the evidence of an association between folic acid and an increase in twinning is probably false.
- Increasing use of fertility drugs is almost certainly the main cause of the recent increase in dizygotic twinning in most developed countries.
- Twins can result from a separation of the cells at the two-cell stage, but twinning can also occur in humans at a stage as late as 7 days of gestation, when the primitive streak has already started to form.
- The incidence of twinning is thus increased somewhat while the risk of triplets or quadruplets remains low.
- The other point has to do with the matter of identical twinning, which we are told can ‘happen up to six days after fertilization.’
- Fraternal twinning - two fertilized ova becoming trapped inside a single shell - is a rare but well-documented occurrence in some birds.
- The genetic associations were latent and intertwined with acquired factors, particularly with the degree of prematurity, birth order and twinning.
- Gestation lasts approximately 7 months and single births are normal, though twinning does occur occasionally.
- Bell had a deep interest in livestock breeding and tried to develop a strain of sheep with a high rate of twinning.
1. 1.1 The occurrence or formation of twinned crystals.
  晶体孪生，孪晶形成
  gypsum crystals often have swallowtail twinning
  Example sentencesExamples
  Finally we would like to mention that the understanding of the origin of twinning in a crystal can result in the discovery of better procedures to grow untwinned crystals.
  Hexagonal bR crystals of space group P6 3 often exhibit a perfect hemihedral twinning.
  Here also, twinning is referred to as ‘a mistake during the growth of a crystal.’
  Hemihedrally twinned crystals of bR were split along ab plane into parts of approximately the same thickness and it was demonstrated that each of them or at least one has no twinning.
  The name pentagonite was given to this mineral because of its twinning.

Rhymes

beginning, inning, thinning, underpinning, winning

Definition of twinning in US English:

twinning

nounˈtwɪnɪŋˈtwiniNG

1The bearing of twins.
孪生，双生
the study showed an increased level of twinning in cattle
该研究表明牛的孪生有增加。
Example sentencesExamples
- Gestation lasts approximately 7 months and single births are normal, though twinning does occur occasionally.
- Increasing use of fertility drugs is almost certainly the main cause of the recent increase in dizygotic twinning in most developed countries.
- The other point has to do with the matter of identical twinning, which we are told can ‘happen up to six days after fertilization.’
- The incidence of twinning is thus increased somewhat while the risk of triplets or quadruplets remains low.
- Fraternal twinning - two fertilized ova becoming trapped inside a single shell - is a rare but well-documented occurrence in some birds.
- Twins can result from a separation of the cells at the two-cell stage, but twinning can also occur in humans at a stage as late as 7 days of gestation, when the primitive streak has already started to form.
- Bell had a deep interest in livestock breeding and tried to develop a strain of sheep with a high rate of twinning.
- The genetic associations were latent and intertwined with acquired factors, particularly with the degree of prematurity, birth order and twinning.
- This result should reassure women planning pregnancies, their healthcare providers, and the wider health community that the evidence of an association between folic acid and an increase in twinning is probably false.
1. 1.1 The occurrence or formation of twinned crystals.
  晶体孪生，孪晶形成
  Example sentencesExamples
  Finally we would like to mention that the understanding of the origin of twinning in a crystal can result in the discovery of better procedures to grow untwinned crystals.
  The name pentagonite was given to this mineral because of its twinning.
  Hexagonal bR crystals of space group P6 3 often exhibit a perfect hemihedral twinning.
  Hemihedrally twinned crystals of bR were split along ab plane into parts of approximately the same thickness and it was demonstrated that each of them or at least one has no twinning.
  Here also, twinning is referred to as ‘a mistake during the growth of a crystal.’

单词	twinning
释义	Definition of twinning in English: twinning nounˈtwɪnɪŋˈtwɪnɪŋ mass noun 1The bearing of twins. 孪生，双生 the study showed an increased level of twinning in cattle 该研究表明牛的孪生有增加。 Example sentencesExamples This result should reassure women planning pregnancies, their healthcare providers, and the wider health community that the evidence of an association between folic acid and an increase in twinning is probably false. Increasing use of fertility drugs is almost certainly the main cause of the recent increase in dizygotic twinning in most developed countries. Twins can result from a separation of the cells at the two-cell stage, but twinning can also occur in humans at a stage as late as 7 days of gestation, when the primitive streak has already started to form. The incidence of twinning is thus increased somewhat while the risk of triplets or quadruplets remains low. The other point has to do with the matter of identical twinning, which we are told can ‘happen up to six days after fertilization.’ Fraternal twinning - two fertilized ova becoming trapped inside a single shell - is a rare but well-documented occurrence in some birds. The genetic associations were latent and intertwined with acquired factors, particularly with the degree of prematurity, birth order and twinning. Gestation lasts approximately 7 months and single births are normal, though twinning does occur occasionally. Bell had a deep interest in livestock breeding and tried to develop a strain of sheep with a high rate of twinning. 1.1 The occurrence or formation of twinned crystals. 晶体孪生，孪晶形成 gypsum crystals often have swallowtail twinning Example sentencesExamples Finally we would like to mention that the understanding of the origin of twinning in a crystal can result in the discovery of better procedures to grow untwinned crystals. Hexagonal bR crystals of space group P6 3 often exhibit a perfect hemihedral twinning. Here also, twinning is referred to as ‘a mistake during the growth of a crystal.’ Hemihedrally twinned crystals of bR were split along ab plane into parts of approximately the same thickness and it was demonstrated that each of them or at least one has no twinning. The name pentagonite was given to this mineral because of its twinning. Rhymes beginning, inning, thinning, underpinning, winning Definition of twinning in US English: twinning nounˈtwɪnɪŋˈtwiniNG 1The bearing of twins. 孪生，双生 the study showed an increased level of twinning in cattle 该研究表明牛的孪生有增加。 Example sentencesExamples Gestation lasts approximately 7 months and single births are normal, though twinning does occur occasionally. Increasing use of fertility drugs is almost certainly the main cause of the recent increase in dizygotic twinning in most developed countries. The other point has to do with the matter of identical twinning, which we are told can ‘happen up to six days after fertilization.’ The incidence of twinning is thus increased somewhat while the risk of triplets or quadruplets remains low. Fraternal twinning - two fertilized ova becoming trapped inside a single shell - is a rare but well-documented occurrence in some birds. Twins can result from a separation of the cells at the two-cell stage, but twinning can also occur in humans at a stage as late as 7 days of gestation, when the primitive streak has already started to form. Bell had a deep interest in livestock breeding and tried to develop a strain of sheep with a high rate of twinning. The genetic associations were latent and intertwined with acquired factors, particularly with the degree of prematurity, birth order and twinning. This result should reassure women planning pregnancies, their healthcare providers, and the wider health community that the evidence of an association between folic acid and an increase in twinning is probably false. 1.1 The occurrence or formation of twinned crystals. 晶体孪生，孪晶形成 Example sentencesExamples Finally we would like to mention that the understanding of the origin of twinning in a crystal can result in the discovery of better procedures to grow untwinned crystals. The name pentagonite was given to this mineral because of its twinning. Hexagonal bR crystals of space group P6 3 often exhibit a perfect hemihedral twinning. Hemihedrally twinned crystals of bR were split along ab plane into parts of approximately the same thickness and it was demonstrated that each of them or at least one has no twinning. Here also, twinning is referred to as ‘a mistake during the growth of a crystal.’
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