| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
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cholera chol·er·a (kŏl'ər-ə)
n.
An acute epidemic infectious disease caused by Vibrio cholerae, characterized by profuse watery diarrhea, extreme loss of fluid and electrolytes, and prostration.
Any of various diseases of domesticated animals marked by severe gastroenteritis.
| cholera (kŏl'ər-ə) Pronunciation Key
An infectious, sometimes fatal disease of the small intestine caused by the bacterium Vibrio cholerae. It is spread from contaminated water and food and causes severe diarrhea, vomiting, and dehydration. |
An acute disease, and an infectious disease, caused by a kind of bacterium that affects the intestines. Transmitted by food or water that has been contaminated with raw sewage, cholera is often fatal and is characterized by severe vomiting, diarrhea, and collapse.