Irradiate



GRE TOEFL

解释

GRE 红宝书

• v. 使明亮, 生辉
• ［英］ v. 使明亮, 生辉 ( to shine; light up)
• ［记］ ir ( 使) +radiate ( 发热, 生光) -> 使发光
• ［例］ Their faces were irradiated by happiness.

Webster Collegiate

verb (-ated; -ating)

• Etymology: Latin irradiatus, past participle of irradiare, from in- + radius ray
• Date: 1603
• transitive verb
  • 1.
    • a. to cast rays of light upon ; illuminate
    • b. to enlighten intellectually or spiritually
    • c. to affect or treat by radiant energy (as heat); specifically to treat by irradiation
  • 2. to emit like rays of light ; radiate <irradiating strength and comfort>
• intransitive verb
  • archaic to emit rays ; shine
• ? irradiative adjective
• ? irradiator noun

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