A material whose electrical conductivity falls between that of conductors and insulators, used in electronic devices. These materials can have their conductivity altered by adding impurities or applying external conditions.
From Latin 'semi-' meaning half and 'conductor' from Latin 'conducere' meaning to lead together. The term emerged in the early 20th century as scientists discovered materials with intermediate electrical properties, revolutionizing electronics.
Semiconductors are the unsung heroes of modern life - every smartphone, computer, and LED light depends on carefully controlled impurities added to pure silicon crystals. The entire digital age exists because we learned to manipulate the flow of electrons through these materials with incredible precision.
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