noun Ser·gei Pa·vlo·vich [sur-gey pav-lohvich; Russian syir-gyey puh-vlaw-vyich] /sɜrˈgeɪ pæv loʊvɪtʃ; Russian syɪrˈgyeɪ pəˈvlɔ vyɪtʃ/, 1906–66, Russian aeronautical and rocket scientist.
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