Last Updated :2025/11/23

radium dial

Noun
Japanese Meaning
時計や腕時計の文字盤で、時間を示す数字や目盛りにラジウム化合物が塗られ、暗所でも視認性が高められているもの
What is this buttons?

博物館は、安全上の理由から、暗闇で光るラジウム化合物で塗られたアンティーク時計の文字盤には来館者が触れないよう注意を促した。

plural

Quizzes for review

The dial of a watch or clock on which the hours have been marked with a radium compound to make them luminous

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radium dial

The museum warned visitors not to handle the antique watch with its radium dial, citing safety concerns.

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The museum warned visitors not to handle the antique watch with its radium dial, citing safety concerns.

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