oberth


noun

  1. Her·mann Ju·li·us [hur-muh n jool-yuh s; German her-mahn yoo-lee-oo s] /ˈhɜr mən ˈdʒul yəs; German ˈhɛr mɑn ˈyu liˌʊs/, 1894–1989, German physicist: pioneer in rocketry.

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