|a brittle crystalline grey element that is a semiconducting metalloid, occurring principally in zinc ores and argyrodite: used in transistors, as a catalyst, and to strengthen and harden alloys. Symbol: Ge; atomic no: 32; atomic wt: 72.61; valency: 2 or 4; relative density: 5.323; melting pt: 938.35°C; boiling pt: 2834°C|
|[C19: New Latin, named after |
germanium ger·ma·ni·um (jər-mā'nē-əm)
A brittle crystalline gray-white metalloid element, used as a semiconductor and in certain optical glasses. Atomic number 32; atomic weight 72.61; melting point 938.25°C; boiling point 2,830°C; specific gravity 5.323 (at 25°C); valence 2, 4.
|germanium (jər-mā'nē-əm) Pronunciation Key
A brittle, crystalline, grayish-white metalloid element that is found in coal, in zinc ores, and in several minerals. It is used as a semiconductor and in wide-angle lenses. Atomic number 32; atomic weight 72.59; melting point 937.4°C; boiling point 2,830°C; specific gravity 5.323 (at 25°C); valence 2, 4. See Periodic Table.