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Meaning of Fraunhofer line | Babel Free

Noun CEFR B2

Definitions

any of a series of dark lines in the solar spectrum; due to the absorption of light by atoms and molecules in the Sun's atmosphere

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

Fraustadt Fraustat Frausto fravashi Fravel Frawley