Definition of Alvarez, Luis Walter in English:

Alvarez, Luis Walter

proper noun

  • (1911–88), American physicist. In 1980 Alvarez and his son identified iridium in sediment from the Cretaceous–Tertiary boundary and proposed that this resulted from a catastrophic meteorite impact that may have resulted in the extinction of the dinosaurs.

Pronunciation:

Alvarez, Luis Walter

/alˈvɑːrɛz/