film badge

noun

1. a badgelike device that, when processed, indicates whether a dose of radiation has been received: worn by workers subject to radiation exposure.

Word History and Origins

Origin of film badge¹

First recorded in 1940–45

Example Sentences

"The crew wore two testing devices. One was a film badge… literally made of photographic film which was worn on our belts. The other was a dosimeter which was like a ballpoint pen which we wore in our shirt pockets and would record any radiation."

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Chapter 3 discusses the radiological safety criteria and procedures in effect for Project TRINITY, and chapter 4 presents the results of the radiation monitoring program, including information on film badge readings for participants in the project.

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The Site Monitoring Group compiled the film badge records for both onsite and offsite personnel.

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The guards' film badge readings showed an average daily exposure of 0.02 roentgens.

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During TRINITY, the film badge was the primary device used to measure the radiation dose received by individual participants.

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