mi·​a·​ro·​lit·​ic | \ ¦mēərō¦litik \

Definition of miarolitic

1 of igneous rock : characterized by irregular cavities into which well-formed crystals project miarolitic structure miarolitic granites
2 of a cavity : having an irregular form into which such crystals project

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History and Etymology for miarolitic

International Scientific Vocabulary miaro- (from Italian dialect miarolo granite with small cavities) + -litic

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“Miarolitic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/miarolitic. Accessed 2 Jul. 2020.

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