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[doh-puh nt] /ˈdoʊ pənt/
noun, Electronics.
an impurity added intentionally in a very small, controlled amount to a pure semiconductor to change its electrical properties:
Arsenic is a dopant for silicon.
Origin of dopant
1960-65; dope + -ant Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for dopant
  • These phenomena can be accounted for if chemical processes in the gas phase, which involve the dopant, are considered.
  • Some dopant gases that are used include arsine, phosphine, and diborane.
  • The absence of photochemical activity may result from dopant-induced trap and/or recombination sites within the film.
British Dictionary definitions for dopant


an element or compound used to dope a semiconductor
Word Origin
C20: see dope, -ant
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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