Rodent



GRE 蓝宝 TOEFL

解释

GRE 红宝书

• n. 啮齿类动物 ( 如鼠等)
• ［类］ kangaroo : marsupial / squirrel : rodent ( 袋鼠是有袋动物 / 松鼠是啮齿动物)
• ［记］ rod ( 咬) +ent -> 咬的动物
• ［同］ 同根词: erode ( 侵蚀) ;corrode ( 腐蚀)

Webster Collegiate

noun

• Etymology: ultimately from Latin rodent-, rodens, present participle of rodere to gnaw; akin to Latin radere to scrape, scratch, Sanskrit radati he gnaws
• Date: 1835
• 1. any of an order (Rodentia) of relatively small gnawing mammals (as a mouse, squirrel, or beaver) that have in both jaws a single pair of incisors with a chisel-shaped edge
• 2. a small mammal (as a rabbit or a shrew) other than a true rodent
• ? rodent adjective

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