Vermiculite — Catégorie IX : silicates[1] Général … Wikipédia en Français
vermiculite — [ vɛrmikylit ] n. f. • 1875; de vermiculé et lite, pour lithe ♦ Minér., Techn. Silicate hydraté provenant de l altération du mica, se présentant en petites écailles. La vermiculite est utilisée comme isolant et adsorbant. ● vermiculite nom… … Encyclopédie Universelle
Vermiculite — Ver*mic u*lite, n. [L. vermiculus, dim. of vermis worm.] (Min.) A group of minerals having, a micaceous structure. They are hydrous silicates, derived generally from the alteration of some kind of mica. So called because the scales, when heated,… … The Collaborative International Dictionary of English
vermiculite — 1814, from L. vermiculari (from vermiculus, dim. of vermis; see WORM (Cf. worm)) + ITE (Cf. ite) … Etymology dictionary
vermiculite — ☆ vermiculite [vər mik′yə līt΄ ] n. [< L vermiculus, dim. of vermis,WORM + ITE1] any of a number of very soft, monoclinic, hydrous silicate minerals resulting usually from alterations of mica and occurring in tiny, leafy scales that expand… … English World dictionary
Vermiculite — Infobox mineral name = Vermiculite category = boxwidth = boxbgcolor = caption = formula = (MgFe,Al)3(Al,Si)4O10(OH)2·4H2O color = Bronze Yellow habit = Clay, scaly, aggregate system = Monoclinic twinning = cleavage = Perfect fracture = Uneven… … Wikipedia
Vermiculite — Vermiculit Vermiculit Chemische Formel (Mg0,5,Ca0,5,Na,K)0,7(Mg,Fe,Al)3[(OH)2|(Al,Si)2Si2O10] · 4H2O Mineralklasse Drei Schichtsilikate (Phyllosilikate) VIII/H.21 10 (nach … Deutsch Wikipedia
vermiculite — /veuhr mik yeuh luyt /, n. any of a group of platy minerals, hydrous silicates of aluminum, magnesium, and iron, that expand markedly on being heated: used in the expanded state for heat insulation and as a plant growth medium. [1815 25, Amer.;… … Universalium
vermiculite — vermikulitas statusas T sritis chemija apibrėžtis Mineralas. formulė Formulę žr. priede. priedas( ai) Grafinis formatas atitikmenys: angl. vermiculite rus. вермикулит … Chemijos terminų aiškinamasis žodynas
vermiculite — noun Etymology: Latin vermiculus little worm Date: 1824 any of various micaceous minerals that are hydrous silicates resulting usually from expansion of the granules of mica at high temperatures to give a lightweight highly water absorbent… … New Collegiate Dictionary