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Webster 1913 Edition
Tennantite
Ten′nant-ite
,Noun.
[Named after
Smithson
, an English chemist.] Tennant
(Min.)
A blackish lead-gray mineral, closely related to tetrahedrite. It is essentially a sulphide of arsenic and copper.
Webster 1828 Edition
Tennantite
TEN'NANTITE
,Noun.