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spherulite

[ sfer-oo-lahyt, -yoo-, sfeer- ]
/ ˈsfɛr ʊˌlaɪt, -yʊ-, ˈsfɪər- /
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noun Petrology.

a rounded aggregate of radiating crystals found in obsidian and other glassy igneous rocks.

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Origin of spherulite

First recorded in 1815–25; spherule + -ite1

OTHER WORDS FROM spherulite

spher·u·lit·ic [sfer-oo-lit-ik, -yoo-, sfeer-], /ˌsfɛr ʊˈlɪt ɪk, -yʊ-, ˌsfɪər-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for spherulite

spherulite
/ (ˈsfɛrʊˌlaɪt) /

noun

any of several spherical masses of radiating needle-like crystals of one or more minerals occurring in rocks such as obsidian

Derived forms of spherulite

spherulitic (ˌsfɛrʊˈlɪtɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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