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Meaning of QSO | Babel Free

Noun CEFR C2

Definitions

  1. Initialism of quasi-stellar object (“a quasar”).
    abbreviation, alt-of, initialism
  2. A radio-quiet quasar.
    dated

Equivalents

Français QSO

CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
See all C2 English words →

See also

QSQT QSR QSS QST QSU Qt

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