: a microscopic crystal
microcrystalline adjective

Examples of microcrystal in a Sentence

Recent Examples on the Web
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Illuminating a cuprous oxide microcrystal excites its electrons, which join with copper ions to form regular copper atoms. Leto Sapunar, Scientific American, 22 Feb. 2020

Word History

First Known Use

1886, in the meaning defined above

Time Traveler
The first known use of microcrystal was in 1886

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Cite this Entry

“Microcrystal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microcrystal. Accessed 26 Mar. 2025.

Medical Definition

microcrystal

noun
: a crystal visible only under the microscope
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