Definition of film badge in English:

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film badge

noun

A device containing photographic film which registers the wearer’s exposure to radiation.
Example sentences
  • The film badge must be worn at all times while working with, or being in the vicinity of, a radiation source.
  • In most cases a film badge is worn while at work to monitor exposure.
  • In this case, is it acceptable for workers to wear their film badges underneath the top layer of clothing?
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