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Meaning of Alderson disk | Babel Free

Noun CEFR B2

Definitions

A hypothetical megastructure in the form of a disk with a star located in a hole running through its axis, and massive enough to have its own atmosphere

CEFR level

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

Alderton Alderwick alderwoman alderwood aldesleukin Aldezar

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