What is serving to purify from anything noxious or erroneous; cleansing; purifying. "Expurgatory animadversions." Sir T. Browne. Expurgatory Index. See Index Expurgatorius, under Index called?

expurgatory — Serving to purify from anything noxious or erroneous; cleansing; purifying. "Expurgatory animadversions." Sir T. Browne. Expurgatory Index. See Index Expurgatorius, under Index. (Webster's 1913.)

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