Extraneous



GRE 蓝宝 Barron

解释

GRE 红宝书

• adj.外来的; 无关的
• ［英］ adj.外来的 ( coming from outside) ; 无关的 ( not pertinent; extrinsic)
• ［类］ 反义词: relevant ( 相关的) ; apposite ( 适当的) ; intrinsic ( 本质的) ; essential ( 本质的)
• ［记］ extran ( 外面) +eous -> 外来的

Webster Collegiate

adjective

• Etymology: Latin extraneus — more at strange
• Date: 1638
• 1. existing on or coming from the outside <extraneous light>
• 2.
  • a. not forming an essential or vital part <extraneous ornamentation>
  • b. having no relevance <an extraneous digression>
• 3. being a number obtained in solving an equation that is not a solution of the equation <extraneous roots>
• Synonyms: see extrinsic
• ? extraneously adverb
• ? extraneousness noun

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