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Meaning of R100 | Babel Free

Noun CEFR B1

Definitions

  1. R100; Ellipsis of NIOSH R100.
    uncountable
  2. R100 standard
    uncountable
  3. R100 filter
    countable

CEFR level

B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.
See all B1 English words →

See also

R2-D2 R2I R2P R2R R34 r8

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