Sekirov Dictionary

radium

UK /ˈɹeɪ.dɪ.əm/US /ˈɹeɪ.di.əm/

noun 3
verb 1
forms 3

noun3

•
The chemical element (symbol Ra) with an atomic number of 88. It is a soft, shiny and silvery radioactive alkaline earth metal.
- The U.S. radium dial painters of the 1920s comprised an early cohort of several thousand workers at increased risk of developing radiation induced cancers. — 2010
An atom of this element.
•
(old-fashioned) A type of cloth woven from silk or synthetic yarn, often with a shiny appearance.
- City retailers are doing well with high-class radiums printed in bright greens, brilliant purples and strong yellows. Such are the high novelties. — 1913

verb1

(no longer used) To treat (a tumour, etc.) with radium.

forms

radiumed · radiuming · radiums

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