Pronunciation: (prī-môr'dē-ul), [key]
1. constituting a beginning; giving origin to something derived or developed; original; elementary: primordial forms of life.
2. Embryol.first formed.
3. pertaining to or existing at or from the very beginning: primordial matter.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.