EQUATOR n.
The great circle of the celestial sphere, coincident with the plane of the earth's equator; -- so called because when the sun is in it, the days and nights are of equal length; hence called also the equinoctial, and on maps, globes, etc., the equinoctial line. Equator of the sun or of a planet (Astron.), the great circ…
GO v.
pon, to act upon, as a foundation or hypothesis. -- To go with. (a) To accompany. (b) To coincide or agree with. (c) To suit; to harmonize with. -- To go (well, ill, or hard) with, to affect (one) in such manner. -- To go without, to be, or to remain, destitute of. -- To go wrong. (a) To take a wrong road or direct…
JULIAN a.
ing reckoned from the year 4713 B. C., when the first years of these several cycles would coincide, so that if any year of the period be divided by 28, 19, or 15, the remainder will be the year of the corresponding cycle. The Julian period was proposed by Scaliger, to remove or avoid ambiguities in chronological dates,…
QUADRANT n.
flect an image of the sun upon the horizon glass, and when the reflected image of the sun coincides, to the observer's eye, with the horizon as seen directly through an opening at the side of the horizon glass, the index shows the sun's altitude upon the scale; -- more properly, but less commonly, called an octant. --…