right sphere
Astronomy and Astrology
noun
The celestial or terrestrial sphere when its equator is perpendicular to the horizon (as it is only at the earth's equator).
Origin
Mid 16th century; earliest use found in Robert Record (c1512–1558), mathematician.
- fire adjuster
- fire alarm
- fire altar
- fire and brimstone
- fire-and-forget
- fire ant
- fire appliance
- firearm
- fire-armed
- firearmed
- firearm officer
- firearms officer
- fire arrow
- fire assay
- fire away
- fireback
- fire-backed
- fireback pheasant
- fire bag
- fireball
- fireballer
- fireballing
- fire balloon
- fire bank
- fire bar