âº the amount by which something, especially an amount of money, is smaller than it should be: a pension/pension fund deficit. a deficit in sth The company reported that an estimated $31.5 million deficit in this year's operating budget would end up at about $20 million as a result of savings.
You must wait at least eight weeks (56 days) between donations of whole blood and 16 weeks (112 days) between double red cell donations. Platelet apheresis donors may give every 7 days up to 24 times per year. Regulations are different for those giving blood for themselves (autologous donors).
As any other blood-related examination, the blood donation requires you fasting food for about 12 hours, so don't eat anything during dinner, if you're going to donate it during the morning, or don't eat breakfast if you're going to donate it at noon. Remember: 12 hours period of fasting. Source(s): Own research.