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RED'START, or RED'TAIL, n. [red and start, Sax. steort, tail.]

A bird of the genus Motacilla.

RED'STREAK, n. [red and streak.]

  1. A sort of apple, called from its red streaks. – Mortimer.
  2. Cider pressed from the redstreak apples. – Smith.

RE-DUCE', v.t. [L. reduco; re and duco, to lead or bring; Fr. reduire; It. riducere or ridurre; Sp. reducir.]

  1. Literally, to bring back; as, to reduce these bloody days again. – Shak. [In this sense, not in use.]
  2. To bring to a former state. It were but just / And equal to reduce me to my dust. – Milton.
  3. To bring to any state or condition, good or bad; as, to reduce civil or ecclesiastical affairs to order; to reduce a man to poverty; to reduce a state to distress; to reduce a substance to powder; to reduce a sum to fractions; to reduce one to despair.
  4. To diminish in length, breadth, thickness, size, quantity or value; as, to reduce expenses; to reduce the quantity any thing; to reduce the intensity of heat; to reduce this brightness of color or light; to reduce a sum or amount; to reduce the price of goods; to reduce the strength of spirit.
  5. To lower; to degrade; to impair in dignity or excellence. Nothing so excellent but a man may fasten on something belonging to it, to reduce it. – Tillotson.
  6. To subdue; to bring into subjection. The Romans reduced Spain, Gaul and Britain by their arms.
  7. To reclaim to order. – Milton.
  8. To bring, as into a class, order, genus or species; to bring under rules or within certain limits of description; as, to reduce animals or vegetables to a class or classes; to reduce men to tribes; to reduce language to rules.
  9. In arithmetic, to change numbers from one denominator into another without altering their value; or to change numbers of one denomination into others of the same value; as to reduce a dollar to a hundred cents, or a hundred cents to a dollar.
  10. In algebra, to reduce equations, is to clear them of all superfluous quantities, bring them to their lowest terms, am separate the known from the unknown, till at length the unknown quantity only is found on one side and the known ones on the other. – Encyc.
  11. In metallurgy, to bring back metallic substances which have been combined, into their original state of metals. – Encyc.
  12. In surgery, to restore to its proper place or state a dislocated or fractured bone. To reduce a figure, design or draught, to make a copy of it smaller than the original, but preserving the form and proportion. – Encyc.

RE-DUC'ED, pp.

Brought back; brought to a former state; brought into any state or condition; diminished; subdued; impoverished.


The act of bringing back; the act of diminishing; the act of subduing; reduction. – Bacon. [This word is superseded by Reduction.]


Tending to reduce.


That which reduces.


One that reduces. – Sidney.


That may be reduced. All the parts of painting are reducible into these mentioned by the author. – Dryden.


The quality of being reducible.

RE-DUC'ING, ppr.

Bringing back; bringing to a former state, or to a different state or form; diminishing; subduing; impoverishing.

RE-DUCT', n.

In building, a little place taken out of a larger to make it more regular and uniform, or for some other convenience. Chambers.

RE-DUCT', v.t. [L. reductus, reduco.]

To reduce. [Not in use.] – Warde.

RE-DUC'TION, n. [Fr. from L. reductio.]

  1. The act of reducing, or state of being reduced; as, the reduction of a body to powder; the reduction of things to order.
  2. Diminution; as, the reduction of the expenses of government; the reduction of the national debt.
  3. Conquest; subjugation; as, the reduction of a province to the power of a foreign nation.
  4. In arithmetic, the bringing of numbers of different denominations into one denomination; as, the reduction of pounds, ounces, pennyweights and grains to grains, or the reduction of grains to pounds; the reduction of days and hours to minutes, or of minutes to hours and days. The change of numbers of a higher denomination into a lower, as of pounds into pence or farthings, is called reduction descending; the change of numbers of a lower denomination into a higher, as of cents into dimes, dollars or eagles, is called reduction ascending. Hence the rule for bringing sums of different denominations into one denomination, is called reduction.
  5. In algebra, reduction of equations is the clearing of them of all superfluous quantities, bringing them to their lowest terms, and separating the known from the unknown, till the unknown quantity alone is found on one side, and the known ones on the other. – Encyc.
  6. Reduction of a figure, map, &c. is the making of a copy of it on a smaller scale, preserving the form and proportions. – Encyc.
  7. In surgery, the operation of restoring a dislocated or fractured bone to its former place.
  8. In metallurgy, the operation of bringing metallic substances which have been combined, into their natural and original state of metals. This is called also revivification. – Nicholson. Encyc.

RE-DUC'TIVE, a. [Fr. reductif.]

Having the power of reducing. – Brevint.


That which has the power of reducing. – Hale.


By reduction; by consequence. – Hammond.

RE-DUND'ANCE, or RE-DUND'AN-CY, n. [L. redundantia, redundo. See Redound.]

  1. Excess or superfluous quantity; superfluity; superabundance. Labor throws off redundancies. – Addison.
  2. In discourse, superfluity of words. – Encyc.


  1. Superfluous; exceeding what is natural or necessary; superabundant; exuberant; as, a redundant quantity of bile or food. Notwithstanding the redundant oil in fishes, they do not increase fat so much as flesh. – Arbuthnot. Redundant words, in writing or discourse, are such as are synonymous with others used, or such as add nothing to the sense or force of the expression.
  2. Using more words or images than are necessary or useful. Where an author is redundant, mark these paragraphs to be retrenched. – Watts.
  3. In music, a redundant chord is one which contains a greater number of tones, semitones or lesser intervals, than it does in its natural state, as from fa to sol sharp. It is called by some authors, a chord extremely sharp. – Encyc.


With superfluity or excess; superfluously; superabundantly.



RE-DU'PLI-CATE, v.t. [L. reduplico; re and duplico. See Duplicate.]

To double. – Pearson.


The act of doubling. – Digby.


Double. – Watts.

RED'WING, n. [red and wing.]

A bird of the genus Turdus.