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dopant

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WordReference Random House Unabridged Dictionary of American English © 2025

dop•ant n. [Electronics.]

Electronicsan impurity added intentionally in a very small, controlled amount to a pure semiconductor to change its electrical properties:Arsenic is a dopant for silicon.

dope + -ant 1960–65

'dopant' also found in these entries (note: many are not synonyms or translations):

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