Definición de polysulphide en inglés:

polysulphide

Saltos de línea: poly|sul¦phide
Pronunciación: /ˌpɒlɪˈsʌlfʌɪd
 
/
(also polysulfide)

sustantivo

Chemistry
  • 1A compound containing two or more sulphur atoms bonded together as an anion or group.
    Más ejemplos en oraciones
    • Thiokol Chemical Corporation produced a synthetic rubber from ethylene dichloride and sodium polysulfide.
    • Approximately 3 lb of calcium carbonate are needed to neutralize the effect of 1 lb of sulfur applied as elemental sulfur or ammonium polysulfide.
  • 1.1A synthetic rubber or other polymer in which the units are linked through such groups.
    Más ejemplos en oraciones
    • The polysulfide degrades, cracks and causes the window to fail and ‘fog up’.
    • These coatings exhibit the toughness and adhesion of epoxy, with the elasticity and chemical resistance of a polysulfide.
    • There are three common types: polysulfides, polyurethanes, and silicones.

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Palabra del día coloratura
Pronunciación: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody