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Definitions of Americanist:
noun: Somebody who favors the values of the USA.
noun: An expert in the study of America.
noun: (phonetics) A proponent of the Americanist phonetic notation.
adjective: Favoring the values of the USA.
adjective: (phonetics) Of or relating to a phonetic notation developed for transcription of Native American and European languages. See Americanist phonetic notation.