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Meaning of active material | Babel Free

Noun CEFR B2

/ˈæk.tɪv məˈtɪəɹɪəl/

Definitions

Essential components of a device, reaction, etc.
A radioactive material

CEFR level

B2

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

See also

active matrix active measures active noise cancellation active noise control active participle active photolocation