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单词 precipitant
释义

Definition of precipitant in English:

precipitant

noun prɪˈsɪpɪt(ə)ntpriˈsɪpədənt
  • 1A cause of a particular action or event.

    起因

    the immediate precipitants of the conflict
    Example sentencesExamples
    • Eleven, even if it remains a dead law, it is not without its precipitant and pernicious consequences.
    • Guided by these principles, he made several criticisms of the police as both background to and immediate precipitants of the disorders.
    • Last but not least, one should look for stress as a precipitant.
    • It is reported by his mother who attended with him that he regularly will fly into a rage without precipitant, has poor recollection of the events and feels remorse and guilt afterwards.
    • Stress itself could be a possible precipitant of urticaria.
    1. 1.1Psychology A cause or stimulus which precipitates a particular condition.
      〔主心理〕病因
      depression may be a precipitant in many cases

      抑郁可能是许多疾病的诱因。

      Example sentencesExamples
      • Such pediatric catatonia - more often found in boys than in girls - has the same characteristics, similar precipitants and the same response to treatments as adult catatonia.
      • While it is a statistical certainty that some Ecstasy users will present for psychiatric services, the current available data shed little light on whether Ecstasy use is a precipitant, modifier or consequence of psychiatric illness.
      • Most reported interventions have begun with assessment of seizure precipitants, looking particularly for emotionally based triggers for seizures.
      • Pending or actual separation, issuance of a restraining order, and threatening behavior are common precipitants.
      • Cognitive models focus on maladaptive or biased thought processes, whereas interpersonal models focus on social difficulties and stressful interpersonal environments as precipitants of psychopathology.
      Synonyms
      spur, stimulant, encouragement, impetus, boost, prompt, prod, incentive, inducement, inspiration, fillip
  • 2Chemistry
    A substance that causes the precipitation of a specified substance.

    〔化〕沉淀剂

    a protein precipitant

    蛋白沉淀剂。

    Example sentencesExamples
    • The model protein lysozyme in the presence of the precipitant, sodium chloride, was used in this study.
    • Nitric oxide, nitrates, and sulfa-containing drugs are the most frequent precipitants of clinically important methemoglobinemia.
    • The precipitants with protein A-Sepharose were divided into three equal parts, one for the kinase assay at 25°, one for the kinase assay at 37°, and one for the Western blotting.
    • Under real crystallization conditions, potential phase perturbants, such as proteins, native membrane lipids, detergents, and precipitants, will be present.

Derivatives

  • precipitance

  • noun prɪˈsɪpɪt(ə)nspriˈsɪpəd(ə)ns
    • Their precipitance (which would create the tribes of Moabites and Ammonites) seems undue, since Lot's wife, recently turned into a pillar of salt, stands just outside the cave.
      Example sentencesExamples
      • Immediate precipitance of his violent acts have included frustration at his demands not being met by his multi-disciplinary team.

Origin

Early 17th century: from obsolete French précipitant 'precipitating', present participle of précipiter.

Definition of precipitant in US English:

precipitant

nounprēˈsipədəntpriˈsɪpədənt
  • 1A cause of a particular action or event.

    起因

    the immediate precipitants of the conflict were a succession of undisciplined actions

    一系列无纪律行为是冲突的直接起因。

    Example sentencesExamples
    • Last but not least, one should look for stress as a precipitant.
    • Stress itself could be a possible precipitant of urticaria.
    • Eleven, even if it remains a dead law, it is not without its precipitant and pernicious consequences.
    • It is reported by his mother who attended with him that he regularly will fly into a rage without precipitant, has poor recollection of the events and feels remorse and guilt afterwards.
    • Guided by these principles, he made several criticisms of the police as both background to and immediate precipitants of the disorders.
    1. 1.1Psychology A cause or stimulus that precipitates a particular condition.
      〔主心理〕病因
      depression may be a precipitant in many cases

      抑郁可能是许多疾病的诱因。

      Example sentencesExamples
      • Such pediatric catatonia - more often found in boys than in girls - has the same characteristics, similar precipitants and the same response to treatments as adult catatonia.
      • Cognitive models focus on maladaptive or biased thought processes, whereas interpersonal models focus on social difficulties and stressful interpersonal environments as precipitants of psychopathology.
      • While it is a statistical certainty that some Ecstasy users will present for psychiatric services, the current available data shed little light on whether Ecstasy use is a precipitant, modifier or consequence of psychiatric illness.
      • Most reported interventions have begun with assessment of seizure precipitants, looking particularly for emotionally based triggers for seizures.
      • Pending or actual separation, issuance of a restraining order, and threatening behavior are common precipitants.
      Synonyms
      spur, stimulant, encouragement, impetus, boost, prompt, prod, incentive, inducement, inspiration, fillip
    2. 1.2Chemistry A substance that causes the precipitation of a specified substance.
      〔化〕沉淀剂
      a protein precipitant

      蛋白沉淀剂。

      Example sentencesExamples
      • The model protein lysozyme in the presence of the precipitant, sodium chloride, was used in this study.
      • Under real crystallization conditions, potential phase perturbants, such as proteins, native membrane lipids, detergents, and precipitants, will be present.
      • Nitric oxide, nitrates, and sulfa-containing drugs are the most frequent precipitants of clinically important methemoglobinemia.
      • The precipitants with protein A-Sepharose were divided into three equal parts, one for the kinase assay at 25°, one for the kinase assay at 37°, and one for the Western blotting.

Origin

Early 17th century: from obsolete French précipitant ‘precipitating’, present participle of précipiter.

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更新时间:2024/12/27 17:18:14