Ostwald

[awst-vahlt] /ˈɔst vɑlt/

noun
1.
Wilhelm
[vil-helm] /ˈvɪl hɛlm/ (Show IPA), 1853–1932, German chemist: Nobel prize 1909.
/German ˈɔstvalt/
noun
1.
Wilhelm (ˈvɪlhɛlm). 1853–1932, German chemist, noted for his pioneering work in catalysis. He also invented a process for making nitric acid from ammonia and developed a new theory of colour: Nobel prize for chemistry 1909

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Osv
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Osw.
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Oswego
[os-wee-goh] /ɒsˈwi goʊ/ noun 1. a town in NW Oregon. 2. a port in W New York, on Lake Ontario.