RADIUM

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does radium mean? 

• RADIUM (noun)
  The noun RADIUM has 1 sense:

1. an intensely radioactive metallic element that occurs in minute amounts in uranium ores

  Familiarity information: RADIUM used as a noun is very rare.

 Dictionary entry details 

• RADIUM (noun)

Sense 1

Meaning:

An intensely radioactive metallic element that occurs in minute amounts in uranium ores

Classified under:

Nouns denoting substances

Synonyms:

atomic number 88; Ra; radium

Hypernyms ("radium" is a kind of...):

metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)

Holonyms ("radium" is a substance of...):

uranium ore (any ore from which uranium can be extracted)

 Context examples 

Mesothorium I is an isotope of radium; mesothorium II is an isotope of actinium.

(Mesothorium, NCI Thesaurus)