Mongolism Definition

Origin of Mongolism

• From Mongolian term used in a system of classification devised by British physician John Langdon Haydon Down (1828–1896) in which different types of intellectual disability were associated with non-Caucasian racial categories (the epicanthic folds typical of persons with Down syndrome leading him to associate them with Central and East Asian populations)

  From American Heritage Dictionary of the English Language, 5th Edition

• From Mongolian term used in a system of classification devised by British physician John Langdon Haydon Down (1828–1896) in which different types of intellectual disability were associated with non-Caucasian racial categories (the epicanthic folds typical of persons with Down syndrome leading him to associate them with Central and East Asian populations)

  From American Heritage Dictionary of the English Language, 5th Edition

• Mongol +"Ž -ism, coined by John Langdon Down

  From Wiktionary