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tachylyte

or tach·y·lite

[ tak-uh-lahyt ]
/ ˈtæk əˌlaɪt /
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noun Petrography.
a black, glassy form of basalt, readily fusible and of a high luster.
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Origin of tachylyte

First recorded in 1865–70; tachy- + -lyte2

OTHER WORDS FROM tachylyte

tach·y·lit·ic [tak-uh-lit-ik], /ˌtæk əˈlɪt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for tachylyte

tachylyte

tachylite

/ (ˈtækɪˌlaɪt) /

noun
a black basaltic glass often found on the edges of intrusions of basalt

Derived forms of tachylyte

tachylytic (ˌtækɪˈlɪtɪk) or tachylitic, adjective

Word Origin for tachylyte

C19: from German Tachylit, from tachy- + Greek lutos soluble, melting, from luein to release; so called because it fuses easily when heated. The form tachylite is influenced by -lite stone
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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