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单词 permethrin
释义

Definition of permethrin in English:

permethrin

noun pəˈmiːθrɪnpərˈmēTHrin
mass noun

  • A synthetic insecticide of the pyrethroid class, used chiefly against disease-carrying insects.

    Example sentencesExamples
    • Experts consider permethrin the treatment of choice.
    • Put bug spray with permethrin on your boots and clothes.
    • Spray your clothing with permethrin insecticide spray.
    • Common treatments for head lice include permethrin and lindane.
    • Pyrethrins and permethrin have a similar mode of activity.

Origin

1970s: from per- (sense 2) + (res)methrin, denoting a synthetic pyrethroid.

 
 

Definition of permethrin in US English:

permethrin

nounpərˈmēTHrin

  • A synthetic insecticide of the pyrethroid class, used chiefly against disease-carrying insects.

    Example sentencesExamples
    • Pyrethrins and permethrin have a similar mode of activity.
    • Common treatments for head lice include permethrin and lindane.
    • Spray your clothing with permethrin insecticide spray.
    • Put bug spray with permethrin on your boots and clothes.
    • Experts consider permethrin the treatment of choice.

Origin

1970s: from per- (sense 2) + (res)methrin, denoting a synthetic pyrethroid.

 
 
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更新时间：2025/11/4 15:37:34