Definition of Agassiz, Louis in US English:

Agassiz, Louis

proper noun

  • (1807–73), US zoologist, geologist, and paleontologist; born in Switzerland; full name Jean Louis Rodolphe Agassiz. In 1837, he was the first to propose that much of Europe had once been in the grip of an ice age.

Pronunciation

Agassiz, Louis

/ˈaɡəsē/