equatorial
Americanadjective
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of, relating to, or near an equator, especially the equator of the earth.
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of, like, or typical of the regions at the earth's equator.
equatorial temperatures.
noun
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a telescope mounting having two axes of motion, one parallel to the earth's axis and one at right angles to it.
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Also called equatorial instrument. Also called equatorial telescope. a telescope with such a mounting.
adjective
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of, like, or existing at or near the equator
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astronautics (of a telescope) mounted on the perpendicular axes, one of which is parallel to the earth's axis
an equatorial orbit
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astronomy of or referring to the celestial equator
equatorial coordinates
noun
Other Word Forms
Derived Forms
Etymology
Origin of equatorial
Vocabulary lists containing equatorial
South America - Middle School
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South America - Introductory
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South America - High School
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The job is also "physically demanding", especially given the equatorial climate they are in.
From BBC • Jun. 1, 2026
The term refers to warmer-than-average waters along the equatorial Pacific that can influence weather across the globe, raising the odds of searing drought in some regions and torrential rain in others.
From Los Angeles Times • Apr. 9, 2026
La Niña typically brings wetter conditions to parts of Australia, Indonesia and equatorial South America, and drier conditions to the southern United States.
From BBC • Mar. 17, 2026
La Nina is a naturally occurring climate phenomenon that cools surface temperatures in the central and eastern equatorial Pacific Ocean.
From Barron's • Mar. 3, 2026
Sweating in the equatorial sun, some of the researchers admiringly fingered the plump, pendulous green fruit, each the size of a baby’s head, wrapped in clusters around the trees’ sturdy trunks.
From "1491" by Charles C. Mann
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
