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solar constant

Noun CEFR B2

Definitions

The amount of incoming solar radiation per unit area, measured on the outer surface of Earth's atmosphere, in a plane perpendicular to the rays.

Equivalents

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CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

solar corona solar cross solar cycle solar day solar deity solar eclipse

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