What is the definition of Pitchblende? | Dictionary.net

PITCHBLENDE

\pˈɪt͡ʃbə͡lnd], \pˈɪt‍ʃbə‍lnd], \p_ˈɪ_tʃ_b_əl_n_d]\

Definitions of PITCHBLENDE

2006 - WordNet 3.0
2011 - English Dictionary Database
1920 - A practical medical dictionary.
1919 - The Concise Standard Dictionary of the English Language
1874 - Etymological and pronouncing dictionary of the English language

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a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore

2006 - WordNet 3.0
By Princeton University

a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore

2011 - English Dictionary Database
By DataStellar Co., Ltd

Uraninite, a substance of pitch-like appearance chiefly uranium oxide, the main source of radium.

1920 - A practical medical dictionary.
By Stedman, Thomas Lathrop

A brownish - black mineral found in Bohemia, Colorado, Cornwall, and Saxony; important as being the source of radium.

1919 - The Concise Standard Dictionary of the English Language
By James Champlin Fernald

A blackish ore of uranium and iron.

1874 - Etymological and pronouncing dictionary of the English language
By Stormonth, James, Phelp, P. H.

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