Atomic_number_32WordNet Explorer

a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite

any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter

a substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; its conductivity increases with temperature and in the presence of impurities

a rare reddish-grey mineral consisting of a copper iron germanium sulfide

a rare steel-grey mineral consisting of silver and germanium and sulfur