[ ruhs-kuh; German roos-kah ]

  1. Ernst (Au·gust Frie·drich) [ernst ou-goost free-drikh], /ɛrnst ˈaʊ gʊst ˈfri drɪx/, 1906–88, German physicist and electrical engineer: developed electron microscope; Nobel Prize 1986.

Words Nearby Ruska Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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Scientific definitions for Ruska


[ rŭs ]

  1. German electrical engineer who in 1931 developed the world's first electron microscope, which he continued to improve in subsequent work. For this work he shared with German physicist Gerd Binnig and Swiss physicist Heinrich Rohrer the 1986 Nobel Prize for physics.

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