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EnglishEdit

EtymologyEdit

c. 1840 external +‎ -ism

NounEdit

externalism (countable and uncountable, plural externalisms)

  1. Excessive regard to outward acts or appearances, especially in religion.
  2. The act of judging by outward appearance or acts.
  3. The belief that only things that can be observed by senses are real.

Related termsEdit