Marie Curie is remembered for her discovery of radium and polonium, and her huge contribution to the fight against cancer. Born Maria Sklodowska on 7 November 1867 in Warsaw, Poland, she was the youngest of five children of poor school teachers.
Medical Definition of b.i.d. (on prescription) b.i.d. (on prescription): Seen on a prescription, b.i.d. means twice (two times) a day. It is an abbreviation for bis in die which in Latin means twice a day. The abbreviation b.i.d. is sometimes written without a period either in lower-case letters as bid or in capital letters as BID.
1 BID, also b.i.d. or BD, is a medical abbreviation for bis in die, meaning to give medication twice a day. 2  TID, also t.i.d., is a medical abbreviation for ter in die, meaning to give medication three times a day.  QID also q.i.d, is a medical abbreviation which means to give the medication four times a day.