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View synonyms for equator

equator

[ ih-kwey-ter ]

noun

  1. the great circle on a sphere or heavenly body whose plane is perpendicular to the axis, equidistant everywhere from the two poles of the sphere or heavenly body.
  2. the great circle of the earth that is equidistant from the North Pole and South Pole.
  3. a circle separating a surface into two congruent parts.


equator

/ ɪˈkweɪtə /

noun

  1. the great circle of the earth with a latitude of 0°, lying equidistant from the poles; dividing the N and S hemispheres
  2. a circle dividing a sphere or other surface into two equal symmetrical parts
  3. astronomy See celestial equator
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

equator

/ ĭ-kwātər /

  1. An imaginary line forming a great circle around the Earth's surface, equidistant from the poles and in a plane perpendicular to the Earth's axis of rotation. It divides the Earth into the Northern and Southern hemispheres and is the basis from which latitude is measured.
  2. A similar circle on the surface of any celestial body.
  3. The celestial equator.

equator

  1. An imaginary circle around the Earth , equidistant from the North Pole and South Pole .
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Word History and Origins

Origin of equator1

1350–1400; Middle English < Medieval Latin aequātor, Latin: equalizer (of day and night, as when the sun crosses the equator). See equate, -tor
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Word History and Origins

Origin of equator1

C14: from Medieval Latin ( circulus ) aequātor ( diei et noctis ) (circle) that equalizes (the day and night), from Latin aequāre to make equal
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Example Sentences

Rugby league's international game has some way to go to catch some of its peers, but at least genuine progress is being made to tie up the sport on both sides of the equator.

From BBC

A rider’s entire journey, including flights, ferries and public transit, must equal a total distance equivalent to 40,000km – the circumference of the Earth’s equator.

From BBC

The process is linked to how the Earth's rotation affects winds in tropical regions just away from the equator.

From BBC

Countries close to the equator can experience very high UV levels in the middle of the day, throughout the year.

From BBC

It was south of the Earth’s equator and had a tropical climate, until it and the rest of the planet became engulfed in ice.

From BBC

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equativeequatorial