(1785–1873), English geologist. He specialized in the fossil record of rocks from North Wales, assigning the oldest of these to a period that he named the Cambrian.
Definition of Sedgwick, Adam in US English:
Sedgwick, Adam
proper nounˈsejwik
(1785–1873), English geologist. He specialized in the fossil record of rocks from North Wales, assigning the oldest of these to a period that he named the Cambrian.