charles lyell

noun

1. Sir Charles,1797–1875, English geologist.
2. Mount, a mountain in E central California, in Yosemite National Park, in the Sierra Nevada. 13,114 feet (3997 meters).
3. Also Ly·all. a mountain on the border of Alberta and British Columbia, Canada, in the Rocky Mountains. 11,520 feet (3511 meters).

noun

1. Sir Charles. 1797–1875, Scottish geologist. In Principles of Geology (1830–33) he advanced the theory of uniformitarianism, refuting the doctrine of catastrophism

1. Scottish geologist who is considered one of the founders of modern geology. He is most famous for his principle of uniformitarianism, as first set forth in his three-volume Principles of Geology (1830-1833).