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Zsigmondy

American  
[zhig-mawn-dee] / ˈʒɪg mɔn di /

noun

  1. Richard 1865–1929, German chemist, born in Austria: Nobel Prize 1925.

Zsigmondy British  
/ ˈʃɪɡmɔndi /

noun

  1. Richard Adolf (ˈrɪçart ˈaːdɔlf). 1865–1929, German chemist, born in Austria, noted for his work on colloidal particles and, with H. Siedentopf, his introduction (1903) of the ultramicroscope: Nobel prize for chemistry 1925

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