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).
Hypernyms (day of the month is a kind of...): 24-hour interval; day; mean solar day; solar day; twenty-four hour period; twenty-four hours (time for Earth to make a complete rotation on its axis) Hyponyms (each of the following is a kind of day of the month): due date; maturity; maturity date (the date on which a financial obligation must be repaid)