spherulite

[sfer-oo-lahyt, -yoo-, sfeer-]

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noun Petrology.

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

Origin of spherulite

First recorded in 1815–25; spherule + -ite¹

Related formsspher·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. 2018

British Dictionary definitions for spherulite

spherulite

noun

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

Derived Formsspherulitic (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

spherulite

Origin of .css-1fxfie5{font-size:22px;}@media (max-width:768px){.css-1fxfie5{font-size:18px;margin:0 10px 10px 0;word-break:break-all;word-wrap:break-word;-webkit-hyphens:auto;-moz-hyphens:auto;-ms-hyphens:auto;hyphens:auto;line-height:22px;}}spherulite

spherulite

Origin of spherulite