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单词 extraneous
释义 ex·tra·ne·ous
I. \(ˈ)ek|strānēəs, ikˈs-\ adjective
Etymology: Latin extraneus — more at strange
1.
 a. : existing or originating outside or beyond : external in origin : coming from the outside
  < extraneous light in a camera >
  < protecting the contents of the container from extraneous moisture >
  < no premiums or other extraneous inducements >
 b. : brought in, introduced, or added from an external source or point of origin
  < a valley bottom covered with extraneous soil >
  < relying upon an extraneous income >
2.
 a. : not forming an essential or vital part : not belonging to something as a proper or natural part : not intrinsic : accidental, foreign
  < extraneous sounds >
  < they considered art to be extraneous to reality >
  < a ballet that struck me as extraneous and somewhat out of keeping with the rest of the play — Wolcott Gibbs >
  < extraneous incidents in a novel >
  < a building with extraneous ornamentation >
 b. : having little or no relevance : irrelevant : not pertinent
  < an unexpected and altogether extraneous remark >
  < an extraneous digression >
 c. : having little or no interdependence or connection : unrelated
  < a series of extraneous books >
  < extraneous events >
Synonyms: see extrinsic
II. adjective
: being a number obtained in solving an equation that is not a solution of the equation
 < extraneous roots >
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更新时间:2024/11/10 18:23:05