- (n.) 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.
- (n.) To bring to terms; to humble; to conquer; to subdue; to capture; as, to reduce a province or a fort.
- (n.) 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.
- (n.) To change, as numbers, from one denomination into another without altering their value or from one denomination into others of the same value; as, to reduce pounds, shillings, and pence to pence or to reduce pence to pounds; to reduce days and hours to minutes or minutes to days and hours.
- (n.) To bring or lead back to any former place or condition.
- (n.) 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.
- (n.) 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.
- (n.) To restore to its proper place or condition, as a displaced organ or part; as, to reduce a dislocation, a fracture or a hernia.
- (n.) 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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). reduce. Retrieved September 20, 2026, from http://smartdefine.org/reduce/definitions/2053602 |
| Chicago | Webster's. 2011. "reduce" http://smartdefine.org/reduce/definitions/2053602 (accessed September 20, 2026). |
| Harvard | Webster's 2011, reduce, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/reduce/definitions/2053602>. |
| MLA | Webster's. "reduce" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/reduce/definitions/2053602> |