Definition of Bonneville Dam in English:

Bonneville Dam

Syllabification: Bon·ne·ville Dam
Pronunciation: /ˌbänəvil ˈdam
 
/
Hydroelectric dam built in the 1930s on the Columbia River, east of Portland in Oregon.

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Word of the day neoteny
Pronunciation: niːˈɒt(ə)ni
noun
retention of juvenile features in the adult animal