Dopant

//ˈdəʊpənt// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A substance added in small amounts to a pure material, such as semiconductor, to alter its original electrical or optical properties; a doping agent.

    "It should be noted that even though both types of disorder can be annealed at temperatures well below those where diffusion of the dopant species occurs, there are still defects present."

Example

More examples

"The dopant that gives rubies their red color is chromium."

Etymology

From dope + -ant.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.