tach·y·lyte also tach·y·lite (t k  -l t )n. A black, glassy basalt of volcanic origin. [German Tachylyt : Greek takhu-, tachy- + Greek lutos, soluble (from l  ein, to loosen; see leu- in Indo-European roots).]tach y·lytic (-l tk) adj. |
tachylyte, tachylite [ˈtækɪˌlaɪt]
n
(Earth Sciences / Geological Science) a black basaltic glass often found on the edges of intrusions of basalt
[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]
tachylytic [ˌtækɪˈlɪtɪk], tachylitic adj
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