GRATONITE


Meaning of GRATONITE in English

ˈgrat ə nˌīt noun

( -s )

Etymology: Louis C. Graton b 1880 American geologist + English -ite

: a mineral Pb 9 As 4 S 15 consisting of sulfide of lead and arsenic in rhombohedral crystals

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