pitchblende pitchable • pitcher · · · Info · Definitions · Synonyms · Characters · · pitchblende · · Text Latin · · Script 11 · · Length Definitions · · · (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. Synonyms: uraninite. · · Noun Definition 1 Synonyms · · · uraninite · · Synonym 1 Characters · · b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E p latin small letter p U+0070 t latin small letter t U+0074