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词汇 tetravalent
释义

Definition of tetravalent in English:

tetravalent

adjective ˌtɛtrəˈveɪl(ə)ntˌtɛtrəˈveɪlənt
Chemistry
  • Having a valency of four.

    〔化〕四价的

    Example sentencesExamples
    • In 1857, he suggested that the carbon atom was tetravalent, that is, it could bond with four other atoms.
    • Electrolytic means have been used to reduce the metal from its tetravalent state to both the bi- and trivalent forms by employing acid electrolytes and electrodes of cither lead, copper, platinum, or mercury jet.
    • Previous ACIP guidelines have recommended a meningococcal tetravalent polysaccharide vaccine for high-risk patients.
    • These new-generation vaccines are not without risk and at least one, a tetravalent rotavirus vaccine, has been discontinued due to its association with bowel intussusception.
    • Every node in this graph was tetravalent: connected by four edges to four other nodes.

Definition of tetravalent in US English:

tetravalent

adjectiveˌtetrəˈvāləntˌtɛtrəˈveɪlənt
Chemistry
  • Having a valence of four.

    〔化〕四价的

    Example sentencesExamples
    • Every node in this graph was tetravalent: connected by four edges to four other nodes.
    • Previous ACIP guidelines have recommended a meningococcal tetravalent polysaccharide vaccine for high-risk patients.
    • These new-generation vaccines are not without risk and at least one, a tetravalent rotavirus vaccine, has been discontinued due to its association with bowel intussusception.
    • Electrolytic means have been used to reduce the metal from its tetravalent state to both the bi- and trivalent forms by employing acid electrolytes and electrodes of cither lead, copper, platinum, or mercury jet.
    • In 1857, he suggested that the carbon atom was tetravalent, that is, it could bond with four other atoms.
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