equator

noun
equa·​tor | \ i-ˈkwā-tər How to pronounce equator (audio) , ˈē-ˌkwā-\

Definition of equator

1 : the great circle of the celestial sphere whose plane is perpendicular to the axis of the earth
2 : a great circle of the earth or a celestial body that is everywhere equally distant from the two poles and divides the surface into the northern and southern hemispheres
3a : a circle or circular band dividing the surface of a body into two usually equal and symmetrical parts
b : equatorial plane the equator of a dividing cell

Examples of equator in a Sentence

Recent Examples on the Web

And south of the equator, Brazil will battle Peru for the Copa America championship. Kevin Dotson, CNN, "The Women's World Cup final isn't the only big game this weekend. Keep your eyes on Wimbledon, the Tour De France and MLB," 5 July 2019 Simone Tilmes at the US National Centre for Atmospheric Research calculates that injections of SO2 at 15° and 30° north and south of the equator would produce a reasonably uniform global cooling. The Economist, "Reaching for the sunshade: July 2030," 4 July 2019 This phenomenon — or the lack of it — also explains why there’s a hurricane-free zone within 5 degrees of the equator. Nathaniel Scharping, Discover Magazine, "Hurricanes: How These Destructive Storms Form, and Why They Get So Strong," 26 June 2019 Everywhere north of the equator will have at least 12 hours of daylight today. Leigh Morgan, al.com, "Summer solstice 2019: Five things to know about the first day of summer," 21 June 2019 Alexander Spatari/Getty Images The summer solstice is almost upon us: June 21 will be the longest day of 2019 for anyone living north of the equator. Brian Resnick, Vox, "The summer solstice is coming: 9 things to know about the longest day of the year," 14 June 2019 From leaping dolphins and playful sea lions to the cluster's famous Galapagos penguins (the only species of the birds that live above the equator) and iconic tortoises, there’s plenty to learn and explore — and the pictures won’t be half bad either. Lauren Hubbard, Town & Country, "6 Luxury Pre-Planned Trips You Need to Book Immediately," 15 Mar. 2019 Currently, Hawaii does not use DST because its close enough to the equator that its day lengths don’t change too drastically; Arizona also has chosen not to adopt summer hours and opted for an earlier sunset during the hottest time of the year. Jason Daley, Smithsonian, "The EU Mulls Ditching Daylight Saving Time," 9 July 2018 The fact that both moons have a nearly circular orbit around the equator makes a strong case for their birth by impact. Nola Taylor Redd, Space.com, "Giant Impact May Have Created Mars' Moons," 18 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'equator.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of equator

14th century, in the meaning defined at sense 1

History and Etymology for equator

Middle English, from Medieval Latin aequator, literally, equalizer, from Latin aequare

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Statistics for equator

Last Updated

12 Jul 2019

Look-up Popularity

Time Traveler for equator

The first known use of equator was in the 14th century

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More Definitions for equator

equator

noun
equa·​tor | \ i-ˈkwā-tər How to pronounce equator (audio) \

Kids Definition of equator

: an imaginary circle around the earth everywhere equally distant from the north pole and the south pole

equator

noun
equa·​tor | \ i-ˈkwāt-ər How to pronounce equator (audio) , ˈē-ˌ How to pronounce equator (audio) \

Medical Definition of equator

1 : a circle or circular band dividing the surface of a body into two usually equal and symmetrical parts especially at the place of greatest width the equator of the lens of the eye

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More from Merriam-Webster on equator

Rhyming Dictionary: Words that rhyme with equator

Spanish Central: Translation of equator

Nglish: Translation of equator for Spanish Speakers

Britannica English: Translation of equator for Arabic Speakers

Britannica.com: Encyclopedia article about equator

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