pri·mor·di·al /praɪˈmɔrdiəl/
 (a.)原始的,自原始時代的,最初的
 Pri·mor·di·al a.
 1. First in order; primary; original; of earliest origin; as, primordial condition. “The primordial facts of our intelligent nature.”
 2. Geol. 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.
 3. Biol. Originally or earliest formed in the growth of an individual or organ; as, a primordial leaf; a primordial cell.
 Primordial utricle Bot., the interior lining of a young vegetable cell.
 Pri·mor·di·al, n. A first principle or element.
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 primordial
      adj : having existed from the beginning; in an earliest or
            original stage or state; "aboriginal forests"; "primal
            eras before the appearance of life on earth"; "the
            forest primeval"; "primordial matter"; "primordial
            forms of life" [syn: aboriginal, primal, primeval,
             primaeval]