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radium

ra·di·um
R r

Transcription

    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [rey-dee-uh m]
    • /ˈreɪ di əm/
    • /ˈreɪ.di.əm/
    • US Pronunciation
    • US IPA
    • [rey-dee-uh m]
    • /ˈreɪ di əm/

Definitions of radium word

  • noun radium Chemistry. a highly radioactive metallic element whose decay yields radon gas and alpha rays. Symbol: Ra; atomic weight: 226; atomic number: 88. 1
  • noun radium a lustrous rayon or silk fabric constructed in plain weave and used in women's apparel, lining, and drapery. 1
  • noun radium chemical element 1
  • uncountable noun radium Radium is a radioactive element which is used in the treatment of cancer. 0
  • noun radium a highly radioactive luminescent white element of the alkaline earth group of metals. It occurs in pitchblende, carnotite, and other uranium ores, and is used in radiotherapy and in luminous paints. Symbol: Ra; atomic no: 88; half-life of most stable isotope, 226Ra: 1620 years; valency: 2; relative density: 5; melting pt: 700°C; boiling pt: 1140°C 0
  • noun radium (as modifier) 0
See all 7 definitions of radium

Information block about the term

Origin of radium

First appearance:

before 1895
One of the 18% newest English words
1895-1900; < New Latin, equivalent to Latin rad(ius) ray (see radius) + -ium -ium

Historical Comparancy

Parts of speech for Radium

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
Full grammatical hierarchy of Radium

radium popularity

A common word. It’s meaning is known to most children of preschool age. About 90% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

radium usage trend in Literature

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Top questions with radium

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Related words

  • milligram-hour

    a unit of measure for a dose of radium expressed as the amount of radiation received by exposure to one milligram of radium for one hour.

  • radium therapy

    treatment of disease by means of radium.

  • alkaline earth

    any of the divalent electropositive metals beryllium, magnesium, calcium, strontium, barium, and radium, belonging to group 2A of the periodic table

  • alkaline-earth metal

    any of the group of bivalent metals including barium, radium, strontium, calcium, and, usually, magnesium, the hydroxides of which are alkalis but less soluble than those of the alkali metals.

  • curie

    Marie (mari). 1867–1934, French physicist and chemist, born in Poland: discovered with her husband Pierre the radioactivity of thorium, and discovered and isolated radium and polonium. She shared a Nobel prize for physics (1903) with her husband and Henri Becquerel, and was awarded a Nobel prize for chemistry (1911)

  • mesothorium

    one of two radioactive decay products of thorium, an isotope of radium or actinium.
All related words to radium

See also

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