There are 2 main definitions of Ru in English:

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Ru1

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symbol

The chemical element ruthenium.

Definition of Ru in:

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There are 2 main definitions of Ru in English:

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RU2

Line breaks: RU

abbreviation

1 informal Are you? where RU?
1.1Burundi (international vehicle registration).
[from Ruanda-Urundi (now Rwanda and Burundi)]

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