a. - Of or pertaining to the lowest subdivision of the rocks
of the Silurian or Molluscan age; -- sometimes described as inferior to
the Silurian. It is named from its development in Cambria or Wales. See
the Diagram under Geology.
n. - A native of Cambria or Wales.
n. - The Cambrian formation.
a. - Of or pertaining to Cambria or Wales.
a. - Of or pertaining to the lowest subdivision of the rocks
of the Silurian or Molluscan age; -- sometimes described as inferior to
the Silurian. It is named from its development in Cambria or Wales. See
the Diagram under Geology.