|
equal hours: system of hour reckoning, see article on time and date.
|
equator: circle on the earth's surface 90 degrees from the poles, or the circle on the celestial sphere 90 degrees from the celestial poles.
|
equatorial: relating to or based on the equator. Has much the same meaning as equinoctial.
|
equatorial dial: another name for equinoctial dial.
|
equatorium: instrument to determine the longitude of one or more of the planets at any given time.
|
