Ulloa's ring

noun Ul·lo·a's ring \ü(l)ˈyōəz-\
variants: or

Ulloa's bow

or

Ulloa's circle

\ü(l)ˈyōəz-\

Definition of Ulloa's ring

  1. :  fogbow

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Origin and Etymology of ulloa's ring

after Antonio de Ulloa †1795 Spanish naval officer and scientist


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