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having charge of the survey of the public lands of a land district. [U.S.] Davies & Peck (Math. Dict.). -- Surveyor's compass. See Circumferentor. -- Surveyor's level. See under Level.

from, or computed by, the use of tables; as, tabular right ascension. Tabular difference (Math.), the difference between two consecutive numbers in a table, sometimes printed in its proper place in the table. -- Tabular spar (Min.), wollastonite.

To adjust, as the mathematical scale to the actual scale, or to that in actual use.

s yet closely suggestive of its origin in nature, and this system of tuning, although not mathematically true, yet satisfies the ear, while it has the convenience that the same twelve fixed tones answer for every key or scale, C# becoming identical with D, and so on.

e in the costs of a cause for each or any term it is in court. -- Terms of a proportion (Math.), the four members of which it is composed. -- To bring to terms, to compel (one) to agree, assent, or submit; to force (one) to come to terms. -- To make terms, to come to terms; to make an agreement: to agree.…

on on a prisoner, it being the first letter of the Greek qa`natos, death. Theta function (Math.), one of a group of functions used in developing the properties of elliptic functions.

Of or pertaining to Torricelli, an Italian philosopher and mathematician, who, in 1643, discovered that the rise of a liquid in a tube, as in the barometer, is due to atmospheric pressure. See Barometer. Torricellian tube, a glass tube thirty or more inches in length, open at the lower end and hermetically sealed at th…

id crab; -- so called because the carapace is usually triangular. -- Triangular numbers (Math.), the series of numbers formed by the successive sums of the terms of an arithmetical progression, of which the first term and the common difference are 1. See Figurate numbers, under Figurate.

That branch of mathematics which treats of the relations of the sides and angles of triangles, which the methods of deducing from certain given parts other required parts, and also of the general relations which exist between the trigonometrical functions of arcs or angles.

One of a monastic order founded in Rome in 1198 by St. John of Matha, and an old French hermit, Felix of Valois, for the purpose of redeeming Christian captives from the Mohammedans.

easure (Mus.), a measure of tree beats of which first only is accented. -- Triple ratio (Math.), a ratio which is equal to 3. -- Triple salt (Chem.), a salt containing three distinct basic atoms as radicals; thus, microcosmic salt is a triple salt. -- Triple star (Astron.), a system of three stars in close proximity…

Made thrice as much; threefold; tripled. Triplicate ratio (Math.), the ratio of the cubes of two quantities; thus, the triplicate ratio of a to b is a3: b3.

the final university examination for classical honors, optional to all who have taken the mathematical honors. C. A. Bristed. -- Tripos paper, a printed list of the successful candidates for mathematical honors, accompanied by a piece in Latin verse. There are two of these, designed to commemorate the two tripos days.…

c analysis. See under Organic. -- Ultimate belief. See under Belief. -- Ultimate ratio (Math.), the limiting value of a ratio, or that toward which a series tends, and which it does not pass.

common ratio of change; with even tenor; as, a temper uniformly mild. To vary uniformly (Math.), to vary with the ratio of the corresponding increments constant; -- said of two dependent quantities with regard to each other.

Not likely; improbable; unlikely. [Obsoles.] Unlike quantities (Math.), quantities expressed by letters which are different or of different powers, as a, b, c, a2, a3, xn, and the like. -- Unlike signs (Math.), the signs plus (+) and minus (-).

uch an unlimited exercise of mercy as may destroy his justice. Rogers. Unlimited problem (Math.), a problem which is capable of an infinite number of solutions. -- Unlimited pump, a kind of deep-well pump placed at the level of the water, and operated from above ground. -- Un*lim"it*ed*ly, adv. -- Un*lim"it*ed*ness,…

minal part of the oviduct in insects and various other invertebrates. See Illust., of Spermatheca.

a. & n. from Vanish, v. Vanishing fraction (Math.), a fraction which reduces to the form Math. Dict. -- Vanishing line (Persp.), the intersection of the parallel of any original plane and picture; one of the lines converging to the vanishing point. -- Vanishing point (Persp.), the point to which all parallel lines in…

ble exhaust (Steam Eng.), a blast pipe with an adjustable opening. -- Variable quantity (Math.), a variable. -- Variable stars (Astron.), fixed stars which vary in their brightness, usually in more or less uniform periods.