ˈgid.ə(r)məˌnīt noun
( -s )
Etymology: Frank Guiterman 19th cent. American metallurgist + English -ite
: a bluish gray mineral Pb 10 Ar 6 S 19 occurring in compact masses that is a compound of lead, arsenic, and sulfur (sp. gr., 5.94)
ˈgid.ə(r)məˌnīt noun
( -s )
Etymology: Frank Guiterman 19th cent. American metallurgist + English -ite
: a bluish gray mineral Pb 10 Ar 6 S 19 occurring in compact masses that is a compound of lead, arsenic, and sulfur (sp. gr., 5.94)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012