1911 Encyclopedia Britannica
A nickname given to certain extreme Anabaptists, who regarded the teaching of the Holy Spirit as all that was necessary, and so despised all human learning and even the power of reading the written word.
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Chisholm, Hugh, General Editor. Entry for 'Abecedarians'. 1911 Encyclopedia Britanica. https://www.studylight.org/encyclopedias/eng/bri/a/abecedarians.html. 1910.