PECHBLEND

n.Pitchblend, an ore of uranium; a metallic substance found in masses, or stratified with earths or with other minerals, in Swedish and Saxon mines. It is of a blackish color, inclining to a deep steel gray, and one kind has a mixture of spots of red.

Pechblende

Pech blen de Substantiv, feminin , die |P e chblende |schwarzes Mineral, aus dem Uran und Radium gewonnen werden

pechblenda

pechblenda nombre femenino Pecblenda .