Complex sentence: Tarmac (short for tarmacadam, or tar-penetration macadam) is a type of road surfacing material patented by Edgar Purnell Hooley in 1901.
Split into simpler sentences: Tarmac (short for tarmacadam, or tar-penetration macadam) is a type of road surface. Tarmac refers to a material patented by Edgar Purnell Hooley in 1901.