Pepto-Bismol (or pink bismuth), specifically, is known to turn the tongue and/or stool black temporarily. This condition can persist for a few days... Q.diarrhea for 4 wks. watery and then black stools.
sick day noun [C]. âº a day for which an âemployee âreceives âpay while âabsent from âwork because of âillness. (Definition of sick day from the Cambridge Academic Content Dictionary Â© Cambridge University Press).
Definition of sick. 1  1a (1) : affected with disease or ill health : ailing (2) : of, relating to, or intended for use in sickness took five sick days this month a sick wardb : queasy, nauseated sick to one's stomach was sick in the carc : undergoing menstruation. 2  2 : spiritually or morally unsound or corrupt.