Lethal



GRE 蓝宝 Barron TOEFL

解释

GRE 红宝书

• adj. 致命的
• ［英］ adj. 致命的 ( fatal or deadly)
• ［类］ disagreeable : hateful / harmful : lethal ( 十分厌恶是憎恨 / 十分有害是致命)
• ［记］ leth ( 死, 僵) +al -> 致死的
• ［同］ 同根词: lethality ( 致死性) ; lethargy ( 昏睡)

Webster Collegiate

I. adjective

• Etymology: Latin letalis, lethalis, from letum death
• Date: circa 1604
• 1.
  • a. of, relating to, or causing death <death by lethal injection>
  • b. capable of causing death <lethal chemicals>
• 2. gravely damaging or destructive ; devastating <a lethal attack on his reputation>
• 3. very potent or effective <a lethal fastball>; also having a high alcohol content <a lethal rum punch>
• Synonyms: see deadly
• ? lethality noun
• ? lethally adverb

II. noun

• Date: 1917
• 1. an abnormality of genetic origin causing the death of the organism possessing it
• 2. lethal gene

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