b.d./b.i.d. means bis in die - twice daily in Prescription
Similar to b.d./b.i.d.
aa - ana - of each ad - ad - up to ad lib. - ad libitum - use as much as one desires; freely admov. - admove - apply agit - agita - stir/shake alt. h. - alternis horis - every other hour aq - aqua - water