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Silicon nitride

Si3 N4 A white, water-insoluble powder, resistant to thermal shock and to chemical reagents; used as a catalyst support and for stator blades of high-temperature gas turbines.

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silicon nitride
Chemistry; Inorganic chemistry

Si 3 N 4 A white, water-insoluble powder, resistant to thermal shock and to chemical reagents; used as a catalyst support and for stator blades of high-temperature gas turbines.

silicon nitride
Geology; Mining; Minerals

Silicon nitride is a chemical compound of the elements silicon and nitrogen, with the formula Si 3N 4. It is a white, high-melting-point solid that is relatively chemically inert, ...

nitride
Chemistry; Inorganic chemistry

Compound of nitrogen and a metal, such as Mg 3 N 2 .

nitride
Automotive; Vehicle equipment

Compound of nitrogen and a metal, such as Mg3N2.

nitride
Oil & gas; Oilfield

A metal surface treatment that improves abrasion and wear resistance.

nitride
Language; Dictionaries

A binary compound of nitrogen with a more metallic element or radical; as, boric nitride.

yttrium oxide
Chemistry; Inorganic chemistry

Y 2 O 3 A yellowish powder, insoluble in water, soluble in dilute acids; used as television tube phosphor and microwave filters. Also known as yttria.

calcium sulfate
Chemistry; Inorganic chemistry

1. CaSO 4 A white crystalline salt, insoluble in water; used in Keene’s cement, in pigments, as a paper filler, and as a drying agent. 2. Either of two hydrated forms of the ...

magnesium bromide
Chemistry; Inorganic chemistry

MgBr 2 _6H 2 O Deliquescent, colorless, bitter-tasting crystals, melting at 172_C; soluble in water, slightly soluble in alcohol; used in medicine and in the synthesis of organic ...

silicon halide
Chemistry; Inorganic chemistry

A compound of silicon and a halogen; for example, SiBr 4 , Si 2 Br 6 , SiCl 4 , Si 2 Cl 6 , Si 3 Cl 8 , SiF 4 , Si 2 F 6 , SiI 4 , and Si 2 F 6 .

yttrium sulfate
Chemistry; Inorganic chemistry

Y 2 (SO 4 ) 3 _8H 2 O Reddish crystals that are soluble in concentrated sulfuric acid, slightly soluble in water; decomposes at 700_C; used as an analytical reagent.

calcium sulfide
Chemistry; Inorganic chemistry

CaS In pure form, white cubic crystals, slightly soluble in water; used as a base for luminescent materials. Also known as hepar calcies; sulfurated lime.

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