: an impurity added usually in minute amounts to a pure substance to alter its properties (such as conductivity)
Examples of dopant in a Sentence
Recent Examples on the WebAs with diamonds, these dopants change a crystal’s properties.
The Economist, 5 Oct. 2019
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dopant.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.