PLUMBONIOBITE


Meaning of PLUMBONIOBITE in English

“+ noun

Etymology: German plumboniobit, from plumb- + niobit niobite

: a niobite of complex composition resembling samarskite but containing lead and found in dark brown to black masses in pegmatite veins or massive slate

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.