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polyaniline
polyaniline n. 
/ˌpɒlɪˈanᵻlʌɪn/, /ˌpɒlɪˈanᵻlɪn/, /ˌpɑliˈænələn/ a polymer of aniline; esp. one that is a solid material which conducts electricity when doped with protons or other charge carriers.
Brit. /ˌpɒlɪˈanᵻliːn/
, /ˌpɒlɪˈanᵻliːn//ˌpɒlɪˈanᵻlʌɪn//ˌpɒlɪˈanᵻlɪn/U.S. /ˌpɑliˈænəˌlaɪn/
, /ˌpɑliˈænəˌlaɪn//ˌpɑliˈænələn/ΚΠ
1947 Jrnl. Physical & Colloid Chem. 51 1394 The products possibly obtained by the oxidation of aniline through the amino group may be classified according to the number of aniline molecules required to make a molecule of product: (a) monoaniline..(b) dianiline..(c) polyaniline products such as aniline black.
2000 Guardian 24 Aug. (Online section) 15/6 Polyaniline actually reacts with metal to form a corrosion-resistant layer of pure metal oxide.
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