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germanium

   Also found in: Medical, Financial, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
ger·ma·ni·um  (jr-mn-m)
n. Symbol Ge
A brittle, crystalline, gray-white metalloid element, widely used as a semiconductor, as an alloying agent and catalyst, and in certain optical glasses. 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 Table at element.

[After Germania.]

germanium [dʒɜːˈmeɪnɪəm]
n
(Chemistry / Elements & Compounds) 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
[New Latin, named after Germany]

germanium  (jr-mn-m)
Symbol Ge
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.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.germanium - a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite
chemical element, element - 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
argyrodite - a rare steel-grey mineral consisting of silver and germanium and sulfur
germanite - a rare reddish-grey mineral consisting of a copper iron germanium sulfide
semiconducting material, semiconductor - 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
Translations
germanium [dʒɜːˈmeɪnɪəm] Ngermanio m
germanium
n (Chem) → Germanium nt


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? Mentioned in ? References in periodicals archive
 
Zou, chemist Michael O'Keeffe of Arizona State University in Tempe, and their colleagues had been synthesizing porous crystals made with germanium oxide.
NIST and the National Research Council of Canada (NRC) recently completed a bilateral comparison of routine spectral responsivity calibrations from 250 nm to 1800 nm, using silicon, germanium, and indium gallium arsenide photodiodes as transfer standards.
IBM has shipped the 100 millionth chip made with silicon germanium (SiGe), a technology pioneered by IBM that is revolutionizing the design of cell phones and other wireless electronic products.
 
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