Jena

American  

[yey-nah] / ˈyeɪ nɑ /

noun

1. a city in central Germany: Napoleon decisively defeated the Prussians here in 1806.

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Jena British  

/ ˈjeːna /

noun

1. a city in E central Germany, in Thuringia: university (1558), at which Hegel and Schiller taught; site of the battle (1806) in which Napoleon Bonaparte defeated the Prussians; optical and precision instrument industry. Pop: 102 634 (2003 est)

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Example Sentences

Jena is among one billion people recorded by the World Health Organization who suffer from vision problems but lack the means to correct them.

From Barron's • May 27, 2026

"We observe an epigenetic pattern that becomes increasingly apparent with age," says Prof. Neri, formerly a group leader at the Leibniz Institute on Aging -- Fritz Lipmann Institute in Jena.

From Science Daily • Jan. 10, 2026

My wife, Jena, sits in the front seat with her hair up, looking equally the part.

From The Wall Street Journal • Nov. 9, 2025

It’s that kind of moment Jena Carr, 39, had dreamed of when she and her husband, Matt, 40, opened Cool Cat Collective last year.

From Los Angeles Times • Sep. 18, 2025

I turn my attention to Jena and Kento, who look like two small, bright figures fast approaching the power-up hovering over the rock.

From "Warcross" by Marie Lu