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.
Depending on the equipment used by the doctor, a prescription may be in plus or minus cylinder form. For surfacing, the lab uses the minus form, meaning if a prescription is written in a plus cylinder form it must be transposed before processing. Transpose a prescription written in plus cylinder form to minus cylinder form as follows: 1. Add the sphere and cylinder powers to determine the new sphere power. 2.