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alienism

[ eyl-yuh-niz-uhm, ey-lee-uh- ]
/ ˈeɪl yəˌnɪz əm, ˈeɪ li ə- /
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noun
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Origin of alienism

An Americanism dating back to 1800–10; alien + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use alienism in a sentence

British Dictionary definitions for alienism

alienism
/ (ˈeɪljəˌnɪzəm, ˈeɪlɪə-) /

noun
obsolete the study and treatment of mental illness
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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