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From Longman Dictionary of Contemporary English
Related topics: Electricity, Chemistry
semiconductorsem‧i‧con‧duc‧tor /ˌsemikənˈdʌktə $ -ər/ noun [countable]  HPEa substance, such as silicon, that allows some electric currents to pass through it, and is used in electronic equipmentsemiconducting adjective [only before noun]
Examples from the Corpus
semiconductorSteel and semiconductors are two of the industries that have benefited significantly from anti-dumping laws.In some other devices semiconductor beads are used instead of metallic sensors.Relays have kept pace with advances in semiconductor technology.Of the 31 California companies on the list, 25 make semiconductors, software, computers or telecommunications gear.Shares of suppliers of semiconductor components to the communications and personal computer markets also slipped.Other semiconductor, computer and software issues followed suit.In a pure semiconductor the valence band is essentially filled and the higher conduction band essentially empty.The devices are also much smaller and use a lot less power than semiconductor devices.
From Longman Business Dictionarysemiconductorsem‧i‧con‧duc‧tor /ˌsemikənˈdʌktə-ər/ noun [countable] COMPUTING a substance, such as SILICON, used in electronic equipment to pass an electric current from one part of the equipment to another, or a CHIP made using this substanceHitachi produces semiconductors, medical instruments and computer parts.Computers account for 40% of the semiconductor market.
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