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).
The whole process of donating blood should not take longer than an hour. You will usually be advised to keep the pressure bandage on your arm for about 30 minutes and the plaster dressing on for six hours. Avoid using this arm to carry anything very heavy.