si

Noun
  1. is a type of:
    • chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
    • semiconducting material, semiconductor - a substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; its conductivity increases with temperature and in the presence of impurities
    substance meronym:
    • quartz - a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities
    • clay - a very fine-grained soil that is plastic when moist but hard when fired
    • feldspar, felspar - any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium
    • granite - plutonic igneous rock having visibly crystalline texture; generally composed of feldspar and mica and quartz
    • sand - a loose material consisting of grains of rock or coral
    • silicone, silicone polymer - any of a large class of siloxanes that are unusually stable over a wide range of temperatures; used in lubricants and adhesives and coatings and synthetic rubber and electrical insulation
    same as: atomic number 14, silicon
  2. is a type of: metric system - a decimal system of weights and measures based on the meter and the kilogram and the second
    same as: international system, international system of units, si system, si unit, systeme international, systeme international d'unites
  3. is a type of: solfa syllable - one of the names for notes of a musical scale in solmization
    same as: te, ti

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