URANINITE

uraninite, pitchblende

(noun) 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

Source: WordNet® 3.1


Etymology

Noun

uraninite (plural uraninites)

(mineral) Any of several brownish-black forms of uranium dioxide, UO2, (especially pitchblende) that is the chief ore of uranium; it is isomorphous with thorianite.

Source: Wiktionary


U*ran"i*nite, n. (Min.)

Definition: A mineral consisting chiefly of uranium oxide with some lead, thorium, etc., occurring in black octahedrons, also in masses with a pitchlike luster; pitchblende.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

9 January 2025

PRESENTATION

(noun) (obstetrics) position of the fetus in the uterus relative to the birth canal; “Cesarean sections are sometimes the result of abnormal presentations”


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Coffee Trivia

In 1511, leaders in Mecca believed coffee stimulated radical thinking and outlawed the drink. In 1524, the leaders overturned that order, and people could drink coffee again.

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