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Meaning of exosporium | Babel Free

Noun CEFR B2

Definitions

The outer layer of a pollen grain or spore; the exine.

CEFR level

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

See also

exosporulation exospory exossation exostectomy exostema exostome

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