| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a scrap or morsel of food left at a meal. |
plasmapheresis plas·ma·phe·re·sis (plāz'mə-fə-rē'sĭs, -fěr'ə-)
n.
A process in which plasma is taken from donated blood and the remaining components, mostly red blood cells, are returned to the donor.