Definition of microparticle
: a very small particle; especially : one that is microscopic in size
Recent Examples of microparticle from the Web
And after burial in a bog for a few thousand years, hair is often fatally contaminated with dust and microparticles.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'microparticle'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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