English syllables. 2014.

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  • siserskite — ˈsisərˌskīt, sə̇ˈsər noun ( s) Etymology: German sisserskit, from Syssertsk, Sverdlovsk region, Union of Soviet Socialist Republics + German it ite : a mineral consisting of a natural alloy of osmium and iridium with the latter ranging from 20 to …   Useful english dictionary

  • iridosmine — /ir i doz min, dos , uy ri /, n. a native alloy of iridium and osmium, usually containing some rhodium, ruthenium, platinum, etc., used esp. for the points of gold pens. Also, iridosmium /ir i doz mee euhm, dos , uy ri /. Also called osmiridium.… …   Universalium

  • osmium — /oz mee euhm/, n. Chem. a hard, heavy, metallic element having the greatest density of the known elements and forming octavalent compounds, as OsO4 and OsF8: used chiefly as a catalyst, in alloys, and in the manufacture of electric light… …   Universalium

  • rhodium — /roh dee euhm/, n. Chem. a silvery white metallic element of the platinum family, forming salts that give rose colored solutions: used to electroplate microscopes and instrument parts to prevent corrosion. Symbol: Rh; at. wt.: 102.905; at. no.:… …   Universalium

  • ruthenium — /rooh thee nee euhm, theen yeuhm/, n. Chem. a steel gray, rare metallic element, belonging to the platinum group of metals. Symbol: Ru; at. wt.: 101.07; at. no.: 44; sp. gr.: 12.2 at 20°C. [1840 50; < NL, named after RUTHENIA (from the fact that… …   Universalium

  • Native elements — ▪ Table Native elements name colour lustre Mohs hardness specific gravity habit or form allemontite tin white; reddish gray metallic 3–4 5.8–6.2 kidneylike masses amalgam gold amalgam yellowish metallic 15.5 lumps or grains moschellandsbergite… …   Universalium

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