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Meaning of protoheme | Babel Free

Noun CEFR B2

Definitions

A synonym for any of several hemes (followed by a letter)

CEFR level

B2

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

See also

protohemin protoheterotheca protohistorian protohistory protohominid protohuman