Reduce

v. t.	1.	To bring or lead back to any former place or condition. [imp. & p. p. Reduced (-dūst"),; p. pr. & vb. n. Reducing (-dū"sĭng).] And to his brother's house reduced his wife. - Chapman. The sheep must of necessity be scattered, unless the great Shephered of souls oppose, or some of his delegates reduce and direct us. - Evelyn.
	2.	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. Nothing so excellent but a man may fasten upon something belonging to it, to reduce it. - Tillotson. Having reduced Their foe to misery beneath their fears. - Milton. Hester Prynne was shocked at the condition to which she found the clergyman reduced. - Hawthorne.
	3.	To bring to terms; to humble; to conquer; to subdue; to capture; as, to reduce a province or a fort.
	4.	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. It were but right And equal to reduce me to my dust. - Milton.
	5.	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.
	6.	(Arith.) 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.
	7.	(Chem.) To add an electron to an atom or ion.
	8.	(Med.) To restore to its proper place or condition, as a displaced organ or part; as, to reduce a dislocation, a fracture, or a hernia. Reduced iron (Chem.) metallic iron obtained through deoxidation of an oxide of iron by exposure to a current of hydrogen or other reducing agent. When hydrogen is used the product is called also iron by hydrogen. To reduce an equation (Alg.) to bring the unknown quantity by itself on one side, and all the known quantities on the other side, without destroying the equation. To reduce an expression (Alg.) to obtain an equivalent expression of simpler form. To reduce a square (Mil.) to reform the line or column from the square.

Verb	1.	reduce - cut down on; make a reduction in; "reduce your daily fat intake"; "The employer wants to cut back health benefits" Synonyms: cut down, trim back, trim down, cut, cut back, trim, bring down
	2.	reduce - make less complex; "reduce a problem to a single question"
	3.	reduce - bring to humbler or weaker state or condition; "He reduced the population to slavery"
	4.	reduce - simplify the form of a mathematical equation of expression by substituting one term for another
	5.	reduce - lower in grade or rank or force somebody into an undignified situation; "She reduced her niece to a servant"
	6.	reduce - be the essential element; "The proposal boils down to a compromise" Synonyms: boil down, come down
	7.	reduce - reduce in size; reduce physically; "Hot water will shrink the sweater"; "Can you shrink this image?" Synonyms: shrink
	8.	reduce - lessen and make more modest; "reduce one's standard of living"
	9.	reduce - make smaller; "reduce an image" Synonyms: scale down Antonyms: blow up, enlarge, magnify - make large; "blow up an image"
	10.	reduce - to remove oxygen from a compound, or cause to react with hydrogen or form a hydride, or to undergo an increase in the number of electrons Synonyms: deoxidise, deoxidize
	11.	reduce - narrow or limit; "reduce the influx of foreigners" Synonyms: tighten
	12.	reduce - put down by force or intimidation; "The government quashes any attempt of an uprising"; "China keeps down her dissidents very efficiently"; "The rich landowners subjugated the peasants working the land" Synonyms: quash, repress, subdue, subjugate, keep down
	13.	reduce - undergo meiosis; "The cells reduce"
	14.	reduce - reposition (a broken bone after surgery) back to its normal site
	15.	reduce - reduce in scope while retaining essential elements; "The manuscript must be shortened" Synonyms: abridge, foreshorten, shorten, abbreviate, contract, cut
	16.	reduce - be cooked until very little liquid is left; "The sauce should reduce to one cup" Synonyms: boil down, decoct, concentrate
	17.	reduce - cook until very little liquid is left; "The cook reduced the sauce by boiling it for a long time" Synonyms: boil down, concentrate
	18.	reduce - lessen the strength or flavor of a solution or mixture; "cut bourbon" Synonyms: dilute, thin, thin out, cut
	19.	reduce - take off weight Synonyms: lose weight, melt off, slim, slim down, slenderize, thin Antonyms: gain, put on - increase (one's body weight); "She gained 20 pounds when she stopped exercising"

(language, mathematics)

REDUCE - A symbolic mathematics language with ALGOL-like syntax, written in Lisp by Anthony Hearn in 1963. Reduce 2 is a version based on Portable Standard LISP. http://www.rrz.uni-koeln.de/REDUCE/. E-mail: . Server: reduce-netlib@rand.org. ["REDUCE, Software for Algebraic Computation", G. Rayna, Springer 1987].

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