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ituting the family Oxylabracidæ, esp. the largest species (Oxylabrax, syn. Centropomus, undecimalis), a valuable food fish called also snook, the smaller species being called Rob`a*li"to.

A basis for a numeral system; as, the decimal scale; the binary scale, etc.

A large serranoid food fish (Centropomus undecimalis) found on both coasts of America; -- called also robalo.

In the duodecimal system of mensuration, the twelfth part of an inch or prime; a line. See Inch, and Prime, n., 8.

The decimal point; the dot placed at the left of a decimal fraction, to separate it from the whole number which it follows. The term is sometimes also applied to other marks of separation.

gnificant event. Significant figures (Arith.), the figures which remain to any number, or decimal fraction, after the ciphers at the right or left are canceled. Thus, the significant figures of 25,000, or of .0025, are 25.

ral sines, or logarithmic sines. -- Curve of sines. See Sinusoid. -- Natural sines, the decimals expressing the values of the sines, the radius being unity. -- Sine of an angle, in a circle whose radius is unity, the sine of the arc that measures the angle; in a right-angled triangle, the side opposite the given ang…

A large perchlike marine food fish (Centropomus undecimalis) found both on the Atlantic and Pacific coasts of tropical America; -- called also ravallia, and robalo.

A part of a thing made by subdividing. In the decimal table, the subdivision of the cubit, as span, palm, and digit, are deduced from the shorter cubit. Arbuthnot.

arithmic, tangent, the logarithm of the natural tangent of an arc. -- Natural tangent, a decimal expressing the length of the tangent of an arc, the radius being reckoned unity. -- Tangent galvanometer (Elec.), a form of galvanometer having a circular coil and a short needle, in which the tangent of the angle of defl…

g medicines, etc. In the standard weights of the United States, the troy ounce is divided decimally down to the

it (Theory of Numbers), an imaginary number of the form a + b-1, when a2 + b2 = 1. -- Duodecimal unit, a unit in the scale of numbers increasing or decreasing by twelves. -- Fractional unit, the unit of a fraction; the reciprocal of the denominator; thus, unit of the fraction -- Integral unit, the unit of integral nu…