thermal equator

noun

1
: the region of the earth enclosed within the annual isotherms of 80° including the northern part of South America and the greater part of Africa and India
2
: the middle line of the thermal equator belt

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“Thermal equator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thermal%20equator. Accessed 11 Dec. 2024.

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