ˈkärnəˌtīt noun
( -s )
Etymology: French, from M.A. Carnot died 1920 French inspector general of mines + French -ite
: a mineral K 2 (UO 2 ) 2 (VO 4 ) 2 .3H 2 O consisting of a hydrous strongly radioactive vanadate of uranium and potassium that occurs as a powder or in loosely coherent masses of a canary-yellow color at various points in western Colorado and is a source of radium and uranium