- Existing at or from the beginning - Of the beginning - First in order; primary; original; of earliest origin;
as, primordial condition. - Of or pertaining to the lowest beds of the Silurian
age, corresponding to the Acadian and Potsdam periods in American
geology. It is called also Cambrian, and by many geologists is
separated from the Silurian. - Originally or earliest formed in the growth of an
individual or organ; as, a primordial leaf; a primordial cell. - A first principle or element.