vitrain
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vitrain — ● vitrain nom masculin ou vitrinite nom féminin (de vitre) Composant des charbons, noir et brillant, correspondant à un gel de matière organique. ⇒VITRAIN, subst. masc. GÉOL. ,,Charbon brillant, constitué d une masse fondamentale distribuée en… … Encyclopédie Universelle
Vitrain — is a type of coal. Its combustion leads to ash containing high levels of Germanium tetrachloride … Wikipedia
vitrain — [vi′trān΄] n. [< L vitrum, glass + ain, as in FUSAIN] a type of black, glassy, cubic bituminous coal … English World dictionary
vitrain — n shiny black bands, thicker than 0.5 mm, of subbituminous and higher rank banded coal. DISCUSSION Vitrain, attributed to the coalification of relatively large fragments of wood and bark, may range up to about 30 mm (approximately 1 in.) thick in … Coke&Coal Terminology
vitrain — vitrenas statusas T sritis chemija apibrėžtis Iškasamųjų anglių blizgioji petrografinė atmaina. atitikmenys: angl. vitrain rus. витрен … Chemijos terminų aiškinamasis žodynas
vitrain — vit·rain … English syllables
vitrain — ˈvi.ˌtrān noun ( s) Etymology: vitr + ain (as in fusain) : a constituent of banded bituminous coal that has a vitreous or glossy fracture compare clarain, durain, fusain … Useful english dictionary
coal — coalless, adj. /kohl/, n. 1. a black or dark brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Cf. anthracite, bituminous coal, lignite. 2. a piece of glowing, charred, or burned wood or other… … Universalium
CHARBONS — Toute une série de roches sédimentaires, tourbe, lignite et houille, entre autres, résultent de la transformation d’anciens végétaux terrestres. Les débris de plantes mortes sont normalement détruits à l’air, mais noircissent sous l’eau par… … Encyclopédie Universelle
attrital coal — n the ground mass or matrix of banded coal in which vitrain and, commonly, fusain layers as well, are embedded or enclosed. DISCUSSION Layers in banded coal, often referred to as bands, are commonly 1 to 30 mm thick. Attrital coal in banded coal… … Coke&Coal Terminology
