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Meaning of radium dial | Babel Free

Noun CEFR B2

Definitions

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

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

radium emanation radium fluoride Radium Girl radium hydroxide radium jaw radiumization