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| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a stew of meat, vegetables, potatoes, etc. |
| fossil (fŏs'əl) Pronunciation Key
The remains or imprint of an organism from a previous geologic time. A fossil can consist of the preserved tissues of an organism, as when encased in amber, ice, or pitch, or more commonly of the hardened relic of such tissues, as when organic matter is replaced by dissolved minerals. Hardened fossils are often found in layers of sedimentary rock and along the beds of rivers that flow through them. See also index fossil, microfossil, trace fossil. fossilize verb |