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| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a gadget; dingus; thingumbob. |
depression de·pres·sion (dĭ-prěsh'ən)
n.
The act of depressing or the state of being depressed.
A reduction in physiological vigor or activity.
A lowering in amount, degree, or position.
An inward displacement of a body part.
A hollow or sunken area.
The condition of feeling sad or despondent.
A psychotic or neurotic condition characterized by an inability to concentrate, insomnia, and feelings of extreme sadness, dejection, and hopelessness.
depression (dĭ-prěsh'ən) Pronunciation Key
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A period of drastic decline in the national economy, characterized by decreasing business activity, falling prices, and unemployment. The best known of such periods is the Great Depression, which occurred in the 1930s.