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trace element

Noun CEFR B2

Definitions

  1. A chemical element present in a sample in very small quantities.
  2. A chemical element in an organism’s diet that is required in very small amounts in order to maintain proper biochemical function.

Equivalents

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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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