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Meaning of protoptile | Babel Free

Noun CEFR B2

Definitions

A feather in the first set of down in a bird that has two such sets

CEFR level

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

See also

protopunk protoracism protoracist protorap protoreasteroside protoreceptor

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