“+ noun
Etymology: magnet- + Latin plumbum lead + English -ite — more at plumb
: a mineral (Pb,Mn)(Fe,Mn,Ti) 6 O 10 (?) consisting of an oxide of ferric iron with lead, manganese, and titanium occurring in acute black metallic hexagonal pyramids
“+ noun
Etymology: magnet- + Latin plumbum lead + English -ite — more at plumb
: a mineral (Pb,Mn)(Fe,Mn,Ti) 6 O 10 (?) consisting of an oxide of ferric iron with lead, manganese, and titanium occurring in acute black metallic hexagonal pyramids
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012