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Meaning of O star | Babel Free

Noun CEFR B2

Definitions

Synonym of O-type star.

Examples

“Vreux: I would like to ask Ann Underhill why, if there is another star by chance in the line of sight to SMC WR stars, it's an O star rather than, say, an A type?”

CEFR level

B2

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

See also

O Valadouro O Vicedo o- O-1 O-1A O-1B