aluminous
101pozzuolana — [pät΄sōlä′nəpät΄swō lä′nə] n. 〚It < L puteolana (pulvie), (powder of) Puteoli (now It Pozzuoli), site of the quarries〛 1. a volcanic rock, powdered and used in making a hydraulic cement 2. a siliceous or siliceous and aluminous material that will …
102alunogen — /euh looh neuh jeuhn/, n. a mineral, hydrous sulfate of aluminum, Al2(SO4)3·18H2O, occurring as a white, fibrous crust on quarry or mine walls. [1865 70; < F alun (see ALUNITE) + O + GEN] * * * ▪ mineral a sulfate mineral formed by sulfate… …
103corundum — /keuh run deuhm/, n. a common mineral, aluminum oxide, Al2O3, notable for its hardness: transparent varieties, as sapphire and ruby, are used as gems, other varieties as abrasives: often made synthetically. [1720 30; < Tamil kuruntam; akin to Skt …
104dawsonite — /daw seuh nuyt /, n. an orthorhombic mineral, hydrous sodium aluminum carbonate, NaAlCO3(OH)2, with a vitreous luster, occurring as white blade shaped crystals: mined as an ore of aluminum. [named after J.W. DAWSON; see ITE1] * * * ▪ mineral… …
105diaspore — /duy euh spawr , spohr /, n. 1. a mineral, aluminum oxyhydroxide, AlO(OH), occurring in crystals, or more usually in lamellar or scaly masses: a principal constituent of bauxite and an important source of aluminum. 2. Bot. a disseminule, esp. one …
106gibbsite — /gib zuyt/, n. a mineral, hydrated aluminum oxide, Al2O33H2O, occurring in whitish or grayish crystals and masses: an important constituent of bauxite ore. Also called hydrargillite. [1815 25; named after George Gibbs (d. 1833), American… …
107hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… …
108lazulite — lazulitic /laz euh lit ik, lazh euh /, adj. /laz euh luyt , lazh euh /, n. an azure blue mineral, hydrous magnesium iron aluminum phosphate, (FeMg)Al2P2O8(OH)2. [1800 10; < ML lazul(um) azure, LAPIS LAZULI + ITE1] * * * ▪ mineral phosphate… …
109melilite — /mel euh luyt /, n. a sorosilicate mineral group, consisting chiefly of sodium, calcium, and aluminum silicates, occurring in igneous rocks. [1790 1800; < NL melilithus, equiv. to Gk méli honey + líthos LITE] * * * ▪ mineral any member of a …
110wavellite — /way veuh luyt /, n. Mineral. a hydrous aluminum fluorophosphate occurring as white to yellowish green or brown aggregates of radiating fibers. [named in 1805 after W. Wavell (d. 1829), English physician, its discoverer; see ITE1] * * * ▪ mineral …
