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Meaning of active material | Babel Free

Noun CEFR B2
ˈæk.tɪv məˈtɪəɹɪəl

Definitions

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

CEFR level

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

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