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Hermann-Mauguin symbol

American  
[hur-muhn-moh-gan, her-mahn-] / ˈhɜr mən moʊˈgæn, ˈhɛr mɑn- /

noun

Crystallography.
  1. a notation for indicating a particular point group.


Etymology

Origin of Hermann-Mauguin symbol

After Carl Hermann (1898–1961), German crystallographer and Charles Mauguin (1878–1937), French crystallographer