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Meaning of proconcave | Babel Free

Adjective CEFR B2

Definitions

In reference to ribs on shells, with the shape of a concave bend towards the aperture, but initially straight.

not-comparable

CEFR level

B2

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

See also

proconformity proconidial proconiine Proconnesian proconservation proconsular