noun
Freq #54125
Meanings
-
1
noun
the soft, silvery-white, toxic chemical element with symbol Cd and atomic number 48
Cadmium control rods absorb neutrons and help regulate a nuclear chain reaction.
Thesaurus
Word family
Derived forms
cadmiccadmiferous
Related forms
calamineheavy metalzinc
Etymology
Named in 1817 from New Latin cadmia, from Greek kadmeia ("calamine"), a zinc ore in which cadmium was discovered. The mineral name was traditionally associated with the mythical Theban founder Cadmus.