GREGORIAN a.
rror in the axis of this telescope, having its focus coincident with that of the large reflector, transmits the light received from the latter back through a hole in its center to the eyepiece placed behind it. -- Gregorian year, the year as now reckoned according to the Gregorian calendar. Thus, every year, of the cu…
HORIZON n.
ial horizon, a level mirror, as the surface of mercury in a shallow vessel, or a plane reflector adjusted to the true level artificially; -- used chiefly with the sextant for observing the double altitude of a celestial body. -- Celestial horizon. (Astron.) See def. 2, above. -- Dip of the horizon (Astron.), the vert…
LARGE a.
t; as, to discourse on a subject at large. -- Common at large. See under Common, n. -- Electors at large, Representative at large, electors, or a representative, as in Congress, chosen to represent the whole of a State, in distinction from those chosen to represent particular districts in a State. [U. S.] -- To give,…
ORANGE n.
-- Orange cowry (Zoöl.), a large, handsome cowry (Cypræa aurantia), highly valued by collectors of shells on account of its rarity. -- Orange grass (Bot.), an inconspicuous annual American plant (Hypericum Sarothra), having minute, deep yellow flowers. -- Orange oil (Chem.), an oily, terpenelike substance obtained…