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Meaning of heptairon | Babel Free

Noun CEFR B2

Definitions

Seven atoms of iron in a chemical compound. Fe₇

in-compounds, uncountable

CEFR level

B2

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

See also

heptakaidecahedron heptaketide heptaldehyde heptalead heptalemma heptalene