crys·​tal·​lite ˈkri-stə-ˌlīt How to pronounce crystallite (audio)
: a minute mineral form (as in glassy volcanic rocks) that marks the beginning of crystallization
: a single grain in a polycrystalline substance

Example Sentences

Recent Examples on the Web That’s because electrical charges moving through the material got stuck at the boundaries between the myriad crystallites making up the material. Robert F. Service, Science | AAAS, 4 June 2019 At this level of magnification, the researchers were able to discern novel details about the building blocks of our bodily framework: our bones, which comprise mineral crystallites and spiraling strands of the protein collagen called fibrils. Angus Chen, Scientific American, 3 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'crystallite.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


borrowed from French cristallite, from cristal crystal entry 1 + -ite -ite entry 1

First Known Use

1871, in the meaning defined at sense 1a

Time Traveler
The first known use of crystallite was in 1871

Dictionary Entries Near crystallite

Cite this Entry

“Crystallite.” Dictionary, Merriam-Webster, Accessed 5 Feb. 2023.

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