| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
congenital con·gen·i·tal (kən-jěn'ĭ-tl)
adj.
Existing at or before birth usually through heredity, as a disorder.
Acquired at birth or during uterine development usually as a result of environmental influences.
| congenital (kən-jěn'ĭ-tl) Pronunciation Key
Existing at or before birth, as a defect or medical condition. |
A descriptive term for a disease or condition that is present at birth. A congenital disease can be either hereditary or acquired.