semiconductor

noun

semi·​con·​duc·​tor ˌse-mē-kən-ˈdək-tər How to pronounce semiconductor (audio)
ˌse-ˌmī-,
-mi-
: any of a class of solids (such as germanium or silicon) whose electrical conductivity is between that of a conductor and that of an insulator in being nearly as great as that of a metal at high temperatures and nearly absent at low temperatures

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A semiconductor is a crystal material whose ability to conduct electricity rises as its temperature goes up. That is, it sometimes acts as a conductor and sometimes as an insulator. Its conducting ability can be much increased by chemical treatment. A manufactured chip of silicon, less than half an inch square, may contain millions of microscopic transistors, which can serve control and memory functions when installed in a computer, automobile, cell phone, DVD player, or microwave oven.

Examples of semiconductor in a Sentence

Recent Examples on the Web That’s led some analysts to warn that the tech giant’s valuation has become stretched, and doesn’t account for rising competition in the semiconductor market. Bywill Daniel, Fortune, 7 July 2024 Even a semiconductor bill that was supposed to reduce production costs instead hit producers with expensive child care and wage mandates that raised costs and prices. Brian Riedl, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 5 July 2024 Silicon Valley long ago outsourced the production of key technologies, like semiconductors, elsewhere. Will Daniel, Fortune Asia, 30 June 2024 Dutch chip equipment manufacturer ASML was up 0.18% at the European close, while Swiss semiconductor manufacturer STMicroelectronics was down 1.4%, according to CNBC. Britney Nguyen, Quartz, 26 June 2024 See all Example Sentences for semiconductor 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'semiconductor.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1838, in the meaning defined above

Time Traveler
The first known use of semiconductor was in 1838

Dictionary Entries Near semiconductor

Cite this Entry

“Semiconductor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/semiconductor. Accessed 15 Jul. 2024.

Kids Definition

semiconductor

noun
semi·​con·​duc·​tor ˌsem-i-kən-ˈdək-tər How to pronounce semiconductor (audio)
ˌsem-ˌī-
: any of a class of solids (as germanium) that have an ability to conduct electricity between that of a conductor and that of an insulator
semiconducting
-tiŋ
adjective

Medical Definition

semiconductor

noun
semi·​con·​duc·​tor -kən-ˈdək-tər How to pronounce semiconductor (audio)
: any of a class of solids (as germanium or silicon) whose electrical conductivity is between that of a conductor and that of an insulator in being nearly as great as that of a metal at high temperatures and nearly absent at low temperatures
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