Definition of Fairlight clay in English:

Fairlight clay

noun

Geology
  • In plural and singular A band of clays and shales of the Wealden series (Lower Cretaceous) extending through Kent and East Sussex.

Origin

Late 19th century; earliest use found in Proceedings of the Geologists' Association. From Fairlight, the name of a village in East Sussex, in the proximity of cliffs which were important in the identification of this band of clays and shales + clay.

Pronunciation

Fairlight clay

/ˌfɛːlʌɪt ˈkleɪ/