naphthalene

/N AE1 F TH AH0 L IY0 N/
noun
  1. 1

    A white crystalline hydrocarbon manufactured from coal tar; used in mothballs.

  2. 2

    An aromatic bicyclic hydrocarbon, C10H8; an acene containing two fused benzene rings.

Source: https://en.wiktionary.org/wiki/naphthalene