ˈklärˌkīt noun
( -s )
Etymology: Frank W. Clarke died 1931 American chemist + English -ite
: a rare dark brown radioactive mineral whose chief constituent is uranium oxide (sp. gr. 6.39)
ˈklärˌkīt noun
( -s )
Etymology: Frank W. Clarke died 1931 American chemist + English -ite
: a rare dark brown radioactive mineral whose chief constituent is uranium oxide (sp. gr. 6.39)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012