DICT.TW Dictionary Taiwan

 S/N
      n : the ratio of signal intensity to noise intensity [syn: signal-to-noise
          ratio, signal-to-noise, signal/noise ratio, signal/noise]

 Sn
      n : a silvery malleable metallic element that resists corrosion;
          used in many alloys and to coat other metals to prevent
          corrosion; obtained chiefly from cassiterite where it
          occurs as tin oxide [syn: tin, atomic number 50]