Definitions of reduce

  1. To make less in value, size, etc.; lessen; lower; as, to reduce the cost; bring from a higher to a lower position; degrade; as, to reduce an officer to the ranks; subdue; conquer; as, to reduce an enemy; bring into classes or orders; as, to reduce mankind to races; bring into a particular form or condition; as, reduce sugar to a syrup; in arithmetic, change ( numbers or quantities) from one name or form to another without changing their value; as, to reduce gallons to pints; in chemistry, to take all nonmetallic elements out of ( an ore); in surgery, to restore ( a displaced part) to its right position; as, to reduce a fracture.
  2. To bring into a lower state: to lessen: to impoverish: to subdue: to arrange: ( arith. and alg.) to change numbers or quantities from one denomination into another.
  3. To bring back; lessen; lower; change into equivalent values.
  4. To diminish; lower; degrade; subdue; change the form or denomination of.
  5. reduce in scope while retaining essential elements; " The manuscript must be shortened"
  6. cook until very little liquid is left, as of sauces; " The cook reduced the sauce by boiling it for a long time"
  7. be cooked until very little is left; as of sauces; " The sauce should reduce to one cup"
  8. remove oxygen from a compound, in chemistry
  9. take off weight
  10. narrow or limit; " reduce the influx of foreigners"
  11. make smaller; " reduce an image"
  12. reposition back to its normal site, as of a broken bone, in surgery
  13. cook until very little liquid is left; " The cook reduced the sauce by boiling it for a long time"
  14. be cooked until very little liquid is left; " The sauce should reduce to one cup"
  15. make less complex; " reduce a problem to a single question"
  16. reposition ( a broken bone after surgery) back to its normal site
  17. undergo meiosis; " The cells reduce"
  18. lower in grade or rank or force somebody into an undignified situation; " She reduced her niece to a servant"
  19. simplify the form of a mathematical equation of expression by substituting one term for another
  20. lessen and make more modest; " reduce one's standard of living"
  21. bring to humbler or weaker state or condition; " He reduced the population to slavery"
  22. To bring into a certain order, arrangement, classification, etc.; to bring under rules or within certain limits of descriptions and terms adapted to use in computation; as, to reduce animals or vegetables to a class or classes; to reduce a series of observations in astronomy; to reduce language to rules.
  23. To bring to the metallic state by separating from impurities; hence, in general, to remove oxygen from; to deoxidize; to combine with, or to subject to the action of, hydrogen; as, ferric iron is reduced to ferrous iron; or metals are reduced from their ores; -- opposed to oxidize.
  24. To bring to a former state; to bring to any state or condition; to diminish; to lower; to subdue; to bring into subjection; to bring into classes or under rules; to change from one denomination to another. To reduce to the ranks, to degrade a serjeant or corporal for misconduct to the station of a private soldier.
  25. To bring into any state, particularly one made less or diminished; to degrade; to lessen; to subdue; to conquer; to class or arrange; to impoverish; to bring down; to make less in size, quantity, or value; in arith., alg., and logic, to bring from a form less fit, to one more fit, for the operation; in metallurgy, to convert an oxide or an ore into the metallic state, as by smelting; in surg., to restore to its proper place or state, as a dislocated bone.
  26. To bring to any inferior state, with respect to rank, size, quantity, quality, value, etc.; to diminish; to lower; to degrade; to impair; as, to reduce a sergeant to the ranks; to reduce a drawing; to reduce expenses; to reduce the intensity of heat.
  27. To bring to terms; to humble; to conquer; to subdue; to capture; as, to reduce a province or a fort.
  28. To bring to a certain state or condition by grinding, pounding, kneading, rubbing, etc.; as, to reduce a substance to powder, or to a pasty mass; to reduce fruit, wood, or paper rags, to pulp.
  29. To change the form of a quantity or expression without altering its value; as, to reduce fractions to their lowest terms, to a common denominator, etc.
  30. To restore to its proper place or condition, as a displaced organ or part; as, to reduce a dislocation, a fracture, or a hernia.
  31. Reducer.
  32. Reducible.