Definition of Alvarez, Luis Walter in English:

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Alvarez, Luis Walter

Pronunciation: /alˈvɑːrɛz/
(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.
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