English Explanatory Dictionary

radium

English dictionary entry

Meanings

noun
  1. The chemical element (symbol Ra) with an atomic number of 88. It is a soft, shiny and silvery radioactive alkaline earth metal.
  2. A type of cloth woven from silk or synthetic yarn, often with a shiny appearance.
verb
  1. To treat (a tumour, etc.) with radium.

Pronunciation

/ˈɹeɪ.dɪ.əm/ rād'ēəm /ˈɹeɪ.di.əm/ LL-Q1860 (eng)-AcpoKrane-radium.wav LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-radium.wav

Word forms

radium radiums radiuming radiumed

Etymology

Borrowed from French radium, from rad(ioactif) (“radioactive”) + -ium (suffix used to form the names of metallic elements).

Synonyms

radiumize

Related words

radiation radioactive radioactivity radius ray

Derived words

eka-radium nonradium radate radiferous radiobe radium A radium B radium beam radium bomb radium bromide radium burn radium C radium chloride radium clock radium C' radium C1 radium C2 radium D radium D1 radium E radium dial radium emanation radium F radium fluoride radium G Radium Girl radium hydroxide radium iodide radiumise radiumize radiumization radiumizer radium jaw radiumlike radium needle radium oxide radium plaque radium sulfate radium sulphate radiumtherapy radium therapy radium water radon teleradium radiumed
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