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Double; doubled; reduplicative; repeated.

The act of doubling, or the state of being doubled.

Double; formed by reduplication; reduplicate. I. Watts.

and a half as great (as another thing); having the ratio of two and a half to one. Sesquiduplicate ratio (Math.), the ratio of two and a half to one, or one in which the greater term contains the lesser twice and a half, as that of 50 to 20.

Indicating one part of two; in the ratio of one to two. Subduple ratio, the ratio of 1 to 2: thus, 3:6 is a subduple ratio, as 6:3 is a duple ratio.

Expressed by the square root; -- said of ratios. Subduplicate ratio, the ratio of the square roots, or the square root of a ratio; thus, the subduplicate ratio of a to b is *a to *b, or *a/b.

to a different part. [Obs.] If we abduce the eye unto either corner, the object will not duplicate. Sir T. Browne.

A dupe. [Obs.] Chaucer.

or convenience. Since it bears the same relation to the milligram that a ton of 2000 avoirdupois pounds does to the troy ounce, the weight in milligrams of precious metal obtained from an assay ton of ore gives directly the number of ounces to the ton.

nd atmosphere. It is exemplified, esp. in landscapes, by Corot, Rousseau, Daubigny, Jules Dupré, and Diaz. Associated with them are certain painters of animals, as Troyon and Jaque, and of peasant life, as Millet and Jules Breton.

The state of being twice folded; reduplication. [R.] Bailey.

ter bushels; for oats, barley, and potatoes, six bushels. A boll of meal is 140 lbs. avoirdupois. Also, a measure for salt of two bushels. [Sometimes spelled bole.]

A dupe; a tool; one who, or that which, is used by another as an instrument to a accomplish his purposes.

A weight of one hundred pounds avoirdupois; -- called in many parts of the United States a Hundredweight.

A simpleton; a dupe. [Obs.] Beau & Fl.

A simpleton; a gull; a dupe. [Obs.] B. Jonson.

the Greek geometer, Nicomedes, who invented it for the purpose of trisecting an angle and duplicating the cube.

lets were inclosed in an outer case (often called the envelope), on which was inscribed a duplicate of the inscription on the inclosed tablet.

A duplicate book, register, or account, kept to correct or check another account or register; a counter register. [Obs.] Johnson.

To make a copy or copies of; to write; print, engrave, or paint after an original; to duplicate; to reproduce; to transcribe; as, to copy a manuscript, inscription, design, painting, etc.; -- often with out, sometimes with off. I like the work well; ere it be demanded (As like enough it will), I'd have it copied. Shak.…