PITCHBLENDE

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

pitchblende (plural pitchblendes)

(mineral) Naturally-occurring uranium oxide, a variety of the mineral uraninite.

Source: Wiktionary


Pitch"blende`, n. Etym: [1st pitch + blende.] (Min.)

Definition: A pitch-black mineral consisting chiefly of the oxide of uranium; uraninite. See Uraninite.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

21 April 2025

ENCYCLOPEDIA

(noun) a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty


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Coffee Trivia

Decaffeinated coffee comes from a chemical process that takes out caffeine from the beans. Pharmaceutical and soda companies buy the extracted caffeine.

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