1. Being or happening first in sequence of time; original.
2. Primary or fundamental: play a primordial role.
3. Biology Belonging to or characteristic of the earliest stage of development of an organism or a part: primordial cells.
A basic principle.
[Middle English, from Late Latin prīmōrdiālis, from Latin prīmōrdium, origin : prīmus, first; see per1 in the Appendix of Indo-European roots + ōrdīrī, to begin to weave; see ar- in the Appendix of Indo-European roots.]
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