Definition of RADIUM

radium

Plural: radiums

Noun

  • an intensely radioactive metallic element that occurs in minute amounts in uranium ores
  • The chemical element (symbol Ra) with an atomic number of 88. It is a soft, shiny and silvery radioactive alkaline earth metal.
  • A type of cloth woven from silk or synthetic yarn, often with a shiny appearance.

Verb

  • To treat (a tumour, etc.) with radium.

Origin / Etymology

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

Synonyms

atomic number 88, Ra, radiumize

Scrabble Score: 9

radium is a valid Scrabble (US) TWL word
radium is a valid Scrabble Word in Merriam-Webster MW Dictionary
radium is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 11

radium is a valid Words With Friends word