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lapactic

[luh-pak-tik]Medicine/Medical
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adjective
  1. purgative; cathartic.
noun
  1. a lapactic agent; purgative.

Origin of lapactic

1745–55; < Greek lapaktikós laxative, equivalent to lapak- (verbid stem of lapássein to evacuate) + -tikos -tic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018