pitch-blende
1pitch|blende — «PIHCH BLEHND», noun. a mineral consisting largely of an oxide of uranium, occurring in black, pitchlike masses. It is a source of uranium, radium, polonium, and actinium. ╂[translation of German Pechblende < Pech pitch2 + Blende blende] …
2pitch-blende — …
3blende — blende; fire·blende; horn·blende; man·gan·blende; pitch·blende; …
4pitch — pitch; pitch·blende; pitch·ered; pitch·er·ful; pitch·i·ness; pitch·er; pitch·fork; pitch·man; …
5pitchblende — pitch·blende …
6pitchblende — pitch•blende [[t]ˈpɪtʃˌblɛnd[/t]] n. mir a massive variety of uraninite, occurring in black pitchlike masses: a major ore of uranium and radium • Etymology: 1760–70; partial trans. of G Pechblende. See pitch II, blende …
7pitchblende — pitch|blende [ˈpıtʃblend] n [U] a dark shiny substance dug from the earth, from which ↑uranium and ↑radium are obtained …
8Pitchblende — Pitch blende , n. [1st pitch + blende.] (Min.) A pitch black mineral consisting chiefly of the oxide of uranium; uraninite. See {Uraninite}. [1913 Webster] …
9pitchblende — A mineral of pitchlike appearance, chiefly uranium dioxide, the main source of uranium and elements, such as radium, produced as a result of the radioactive breakdown of that element. SYN: uraninite. * * * pitch·blende pich .blend n …
10pitchblende — [ pɪtʃblɛnd] noun a form of the mineral uraninite occurring in brown or black pitch like masses and containing radium. Origin C18: from Ger. Pechblende, from Pech pitch + Blende (see blende) …
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