equation
- n a mathematical statement that two expressions are equal
- n a state of being essentially equal or equivalent; equally balanced
- n the act of regarding as equal
equator
- n an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles
the equator is the boundary between the northern and southern hemispheres - n a circle dividing a sphere or other surface into two usually equal and symmetrical parts
equatorial current
- n any of the ocean currents that flow westward at the equator
equatorial guinea
- n a country of west central Africa (including islands in the Gulf of Guinea); became independent from Spain in 1968
equerry
- n an official charged with the care of the horses of princes or nobles
- n a personal attendant of the British royal family