Tachylyte Tach"y*lyte, n. [Gr. tachy`s quick + ? to dissolve.] (Min.) A vitreous form of basalt; -- so called because decomposable by acids and readily fusible. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • tachylyte — or tachylite [tak′ə līt΄] n. [Ger tachylit < Gr tachys, swift (see TACHY ) + lytos, soluble < lyein, to dissolve (see LYSIS): from its rapid decomposition in acids] a kind of dark colored, basaltic volcanic glass tachylytic [tak′əlit′ik]… …   English World dictionary

  • Tachylyte — Tachylite Le tachylyte est principalement composé de basaltes et de roches volcaniques vitreuses. Le tachylyte est produit suite au refroidissement rapide de la lave basaltique, par exemple, au fond de l océan à la suite de l activité volcanique …   Wikipédia en Français

  • tachylyte — tachylitic /tak euh lit ik/, adj. /tak euh luyt /, n. Petrog. a black, glassy form of basalt, readily fusible and of a high luster. Also, tachylite. [1865 70; TACHY + LYTE2] * * * ▪ rock also spelled  tachylite        glassy igneous rocks low in… …   Universalium

  • tachylyte — noun A black, vitreous basalt of volcanic origin …   Wiktionary

  • tachylyte — tachy·lyte …   English syllables

  • tachylyte — /ˈtækəlaɪt/ (say takuhluyt) noun a black, glassy form of basalt, readily fusible and of a high lustre. Also, tachylite. {German Tachylit, from Greek tachy tachy + lytos soluble} –tachylytic /tækəˈlɪtɪk/ (say takuh litik), adjective …   Australian English dictionary

  • tachylyte — …   Useful english dictionary

  • tach|y|lyt|ic — «TAK uh LIHT ihk», adjective. 1. composed of tachylyte. 2. resembling tachylyte. 3. containing tachylyte …   Useful english dictionary

  • Volcanic glass — A sand grain of volcanic glass under the petrographic microscope. Its amorphous nature makes it go extinct in cross polarized light (bottom frame). Scale box in millimeters. Volcanic glass is the amorphous (uncrystallized) product of rapidly… …   Wikipedia

  • Mafic — is an adjective describing a silicate mineral or rock that is rich in magnesium and iron; the term is a portmanteau of the words magnesium and ferric .[1] Most mafic minerals are dark in color and the relative density is greater than 3. Common… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”