Call on our Bitdefender Antivirus Technical Support Number 1-855-253-4222 and avail our services Our Bitdefender Support Service is a place you were looking for all your antivirus related issues. We are available at your service via live chat and can contact us anytime as we are available there for 24/7.
Biochemical oxygen demand. Biochemical oxygen demand (BOD, also called biological oxygen demand) is the amount of dissolved oxygen needed (i.e., demanded) by aerobic biological organisms to break down organic material present in a given water sample at certain temperature over a specific time period.
(on prescription): Seen on a prescription, q.d. (or qd) means one a day (from the Latin quaque die). The abbreviation is sometimes written without a period in capital letters as QD. However it is written, it is one of a number of hallowed abbreviations of Latin terms that have been traditionally used in prescriptions to specify the frequency with which medicines should be taken. Other examples include: 1  b.i.d. (bid or BID) is twice a day; b.i.d.. stands for bis in die (which means, in Latin, twice a day).  t.i.d. (or tid or TID) is three times a day ; t.i.d. stands for ter in die (in Latin, 3 times a day).