[ '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 ).
[ '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 ).
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004