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Meaning of open rotor | Babel Free

Noun CEFR B2

Definitions

propfan, unducted fan
Used other than figuratively or idiomatically: see open, rotor.

CEFR level

B2

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

See also

open sandwich open sea open season open seating open secret open sesame