| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
deficiency (dɪˈfɪʃənsɪ) ![]() | |
| —n , pl -cies | |
| 1. | the state or quality of being deficient |
| 2. | a lack or insufficiency; shortage |
| 3. | another word for deficit |
| 4. | biology the absence of a gene or a region of a chromosome normally present |
deficiency de·fi·cien·cy (dĭ-fĭsh'ən-sē)
n.
A lack or shortage of something essential to health; an insufficiency.