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1. WordNet® 3.0 (2006) |
semiconductor
n 1: 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 [syn: semiconductor,
semiconducting material]
2: a conductor made with semiconducting material [syn:
semiconductor device, semiconductor unit,
semiconductor]
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2. The Free On-line Dictionary of Computing (30 December 2018) |
semiconductor
A material, typically crystaline, which allows
current to flow under certain circumstances. Common
semiconductors are silicon, germanium, gallium arsenide.
Semiconductors are used to make diodes, transistors and
other basic "solid state" electronic components.
As crystals of these materials are grown, they are "doped"
with traces of other elements called donors or acceptors
to make regions which are n- or p-type respectively for the
electron model or p- or n-type under the hole model.
Where n and p type regions adjoin, a junction is formed which
will pass current in one direction (from p to n) but not the
other, giving a diode.
One model of semiconductor behaviour describes the doping
elements as having either free electrons or holes dangling
at the points in the crystal lattice where the doping elements
replace one of the atoms of the foundation material. When
external electrons are applied to n-type material (which
already has free electrons present) the repulsive force of
like charges causes the free electrons to migrate toward the
junction, where they are attracted to the holes in the p-type
material. Thus the junction conducts current.
In contrast, when external electrons are applied to p-type
material, the attraction of unlike charges causes the holes to
migrate away from the junction and toward the source of
external electrons. The junction thus becomes "depleted" of
its charge carriers and is non-conducting.
(1995-10-04)
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Common Misspellings > |
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szemiconductor zsemiconductor xemiconductor sxemiconductor xsemiconductor cemiconductor scemiconductor csemiconductor emiconductor s emiconductor semiconductor s3miconductor se3miconductor s3emiconductor s#miconductor se#miconductor s#emiconductor s4miconductor se4miconductor s4emiconductor swmiconductor sewmiconductor swemiconductor srmiconductor sermiconductor sremiconductor ssmiconductor sesmiconductor ssemiconductor sdmiconductor sedmiconductor sdemiconductor sfmiconductor sefmiconductor sfemiconductor samiconductor simiconductor somiconductor sumiconductor sejiconductor semjiconductor sejmiconductor sekiconductor semkiconductor sekmiconductor seliconductor semliconductor selmiconductor seniconductor semniconductor senmiconductor se iconductor sem iconductor se miconductor sem8conductor semi8conductor sem8iconductor sem*conductor semi*conductor sem*iconductor sem9conductor semi9conductor sem9iconductor semuconductor semiuconductor semuiconductor semoconductor semioconductor 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semicomnductor semico ductor semicon ductor semico nductor semiconwuctor semicondwuctor semiconwductor semiconeuctor semicondeuctor semiconeductor semiconructor semicondructor semiconrductor semiconsuctor semicondsuctor semiconsductor semiconfuctor semicondfuctor semiconfductor semiconxuctor semicondxuctor semiconxductor semiconcuctor semicondcuctor semiconcductor semiconvuctor semicondvuctor semiconvductor semicon uctor semicond uctor semicon ductor semicond7ctor semicondu7ctor semicond7uctor semicond&ctor semicondu&ctor semicond&uctor semicond8ctor semicondu8ctor semicond8uctor semicondyctor semiconduyctor semicondyuctor semicondictor semiconduictor semicondiuctor semicondhctor semiconduhctor semicondhuctor semicondjctor semicondujctor semicondjuctor semicondkctor semicondukctor semicondkuctor semicondactor semicondector semicondoctor semicondustor semiconducstor semicondusctor semicondudtor semiconducdtor semicondudctor semiconduftor semiconducftor semicondufctor semiconduxtor 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semiconductot semiconductort semiconductotr semiconductod semiconductord semiconductodr semiconductof semiconductorf semiconductofr semiconductog semiconductorg semiconductogr Definition commonly spelled as: Defanition or Defenition, Synonym as: Synonim, Sinonym or Sinonim, Thesaurus as: Thesorus or Thesauris, Dictionary as: Dictionery or Dictionry and Define is usually not misspelled. What does mispell meen? It Meens...
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