Search the Dictionary

; rotational. This high rotative velocity of the sun must cause an equatorial rise of the solar atmosphere. Siemens. Rotative engine, a steam engine in which the reciprocating motion of the piston is transformed into a continuous rotary motion, as by means of a connecting rod, a working beam and crank, or an oscillatin…

planet which revolves about another planet; as, the moon is a satellite of the earth. See Solar system, under Solar. Satellite moth (Zoöl.), a handsome European noctuid moth (Scopelosoma satellitia).

One of the planets of the solar system, next in magnitude to Jupiter, but more remote from the sun. Its diameter is seventy thousand miles, its mean distance from the sun nearly eight hundred and eighty millions of miles, and its year, or periodical revolution round the sun, nearly twenty-nine years and a half. It is s…

tain, sheet, wall, etc., upon which an image, as a picture, is thrown by a magic lantern, solar microscope, etc.

Solary; military pay. [Obs.] Spenser.

A loft or garret. See Solar, n. Sir W. Scott.

See Solar, n. [Obs.]

An optical instrument for forming and examining spectra (as that of solar light, or those produced by flames in which different substances are volatilized), so as to determine, from the position of the spectral lines, the composition of the substance.

t are not limited to this region. -- Chromatic spectrum, the visible colored rays of the solar spectrum, exhibiting the seven principal colors in their order, and covering the central and larger portion of the space of the whole spectrum. -- Continous spectrum, a spectrum not broken by bands or lines, but having the…

r H. Wotton. Staircase shell. (Zoöl.) (a) Any scalaria, or wentletrap. (b) Any species of Solarium, or perspective shell.

motion of the stars of an asterism, as distinguished from apparent change of place due to solar motion.-- ## = star streaming --

include bright spaces (called faculæ) as well as dark spaces (called maculæ). Called also solar spots. See Illustration in Appendix. -- Sun star (Zoöl.), any one of several species of starfishes belonging to Solaster, Crossaster, and allied genera, having numerous rays. -- Sun trout (Zoöl.), the squeteague. -- Sun w…

e shadow of a gnomon, or style, on a plate. Sundial shell (Zoöl.), any shell of the genus Solarium. See Solarium.

government; a system of divinity; a system of botany or chemistry; a military system; the solar system. The best way to learn any science, is to begin with a regular system, or a short and plain scheme of that science well drawn up into a narrow compass. I. Watts.

g intended by it. South. Tropic month. See Lunar month, under Month. -- Tropic year, the solar year; the period occupied by the sun in passing from one tropic or one equinox to the same again, having a mean length of 365 days, 5 hours, 48 minutes, 46.0 seconds, which is 20 minutes, 23.3 seconds shorter than the sidere…

g all the parts; free from deficiency; all; total; entire; as, the whole earth; the whole solar system; the whole army; the whole nation. "On their whole host I flew unarmed." Milton. The whole race of mankind. Shak.

eriod of 12 lunar synodical months, or 354 days, 8 hours, 48 minutes, 36 seconds. -- Lunisolar year. See under Lunisolar. -- Periodical year. See Anomalistic year, above. -- Platonic year, Sabbatical year. See under Platonic, and Sabbatical. -- Sidereal year, the time in which the sun, departing from any fixed star…

lor; of the color of gold or brass; having the hue of that part of the rainbow, or of the solar spectrum, which is between the orange and the green. Her yellow hair was browded [braided] in a tress. Chaucer. A sweaty reaper from his tillage brought First fruits, the green ear and the yellow sheaf. Milton. The line of y…