reduce

动词 v.
/ɹɪˈd(j)us/|/ɹɪˈdjʉːs/|/ɹɪˈd͡ʒʉːs/|/ɹəˈdjʉːs/|/ɹəˈd͡ʒʉːs/

英文释义

动词 v.
  1. To bring down the size, quantity, quality, value or intensity of something; to diminish, to lower. transitive
    — to reduce weight, speed, heat, expenses, price, personnel etc.
  2. To lose weight. intransitive
  3. To bring to an inferior rank; to degrade, to demote. transitive
    — to reduce a sergeant to the ranks
  4. To humble; to conquer; to subdue; to capture. transitive
    — to reduce a province or a fort
  5. To bring to an inferior state or condition. transitive
    — to reduce a city to ashes
  6. To be forced by circumstances (into something one considers unworthy). transitive
    — reduced to silence
  7. To decrease the liquid content of (a food) by boiling much of its water off. transitive
    — Serve the oxtails with mustard or a sauce made by reducing the soup, if any is left, to a slightly thick sauce.
  8. To add electrons / hydrogen or to remove oxygen. transitive
    — Formaldehyde can be reduced to form methanol.
  9. To produce metal from ore by removing nonmetallic elements in a smelter. transitive
  10. To simplify an equation or formula without changing its value. transitive
  11. To express the solution of a problem in terms of another (known) algorithm. transitive
  12. To convert a syllogism to a clearer or simpler form. transitive
  13. To convert to written form. (Usage note: this verb almost always appears as "reduce to writing".) transitive
    — It is important that all business contracts be reduced to writing.
  14. To perform a reduction; to restore a fracture or dislocation to the correct alignment. transitive
  15. To reform a line or column from (a square). transitive
  16. To strike off the payroll. transitive
  17. To annul by legal means. transitive
  18. To pronounce (a sound or word) with less effort. transitive
    — The first vowel of support is reduced to schwa by most English speakers.
  19. To translate (a book, document, etc.). obsolete,transitive
    — a book reduced into English

词形变化

reduces present,singular,third-person reducing participle,present reduced participle,past reduced past

词源

From Middle English reducen, from Old French reduire, from Latin redūcō (“reduce”); from re- (“back”) + dūcō (“lead”). See duke, and compare with redoubt.
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