lapactic

[luh-pak-tik]Medicine/Medical

adjective

purgative; cathartic.

noun

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