film badge
A piece of photographic film worn on the torso to act as a dosimeter and record the wearer's radiation exposure.
plural of jacobinia
(anatomy) The major part of the cerebral cortex
(idiomatic) To infer a meaning that is not stated explicitly.
技術者は累積放射線被ばく量を監視するため、白衣にフィルムバッジを付けて放射線室に入った。
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