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ining the size or distance of inaccessible objects by means of two reflectors on a common sextant.

The space between two bars. See Beat, Triple, Quadruple, Sextuple, Compound time, under Compound, a., and Figure.

o prevent the date of the new moon being set a day too late, or the suppression of the bissextile day once in 134 years. The opposite to this is the proemptosis, or the addition of a day every 330 years, and another every 2,400 years.

16mo; eighteenmo or 18mo. It is taken from the Latin forms similarly used; as, duodecimo, sextodecimo, etc. A small circle, placed after the number and near its top, is often used for -mo; as, 16°, 18°, etc.

f the genus Necrophorus and allied genera; -- called also burying beetle, carrion beetle, sexton beetle.

instrument and clock; the sun's altitude, or the distance of the moon from a star, with a sextant; the temperature, with a thermometer, etc.

having an arc which measures up to 9Oº, but being itself the eighth part of a circle. Cf. Sextant.

from the smelting furnace. See Pig, 4. -- Pig yoke (Naut.), a nickname for a quadrant or sextant. -- A pig in a poke (that is, bag), a blind bargain; something bought or bargained for, without the quality or the value being known. [Colloq.]

The movable limb of a sextant or other angular instrument. Knight. Radius bar (Math.), a bar pivoted at one end, about which it swings, and having its other end attached to a piece which it causes to move in a circular arc. -- Radius of curvature. See under Curvature.

cting mind. Reflecting circle, an astronomical instrument for measuring angless, like the sextant or Hadley's quadrant, by the reflection of light from two plane mirrors which it carries, and differing from the sextant chiefly in having an entire circle. -- Reflecting galvanometer, a galvanometer in which the deflecti…

d to have consisted originally of ten months, Martius, Aprilis, Maius, Junius, Quintilis, Sextilis, September, October, November, and December, having a total of 304 days. Numa added two months, Januarius at the beginning of the year, and Februarius at the end, making in all 355 days. He also ordered an intercalary mon…

the church who has the care of the utensils or movables, and of the church in general; a sexton.

A piece of music composed for six voices or six instruments; a sextet; -- called also sestuor. [Written also sestett, sestette.]

See Sextain.

Proceeding by sixes; sextuple; -- applied especially to a system of arithmetical computation in which the base is six.

See Sextodecimo.

as a bell, with strokes slowly and uniformly repeated; as, to toll the funeral bell. "The sexton tolled the bell." Hood.

A toll or tribute of a sextary of ale, paid to the lords of some manors by their tenants, for liberty to brew and sell ale. Cowell.

ct of planets distant from each other 120 degrees, or one third of the zodiac; trigon. In sextile, square, and trine. Milton.

short scale made to slide along the divisions of a graduated instrument, as the limb of a sextant, or the scale of a barometer, for indicating parts of divisions. It is so graduated that a certain convenient number of its divisions are just equal to a certain number, either one less or one more, of the divisions of the…