primordial

English dictionary entry

Meanings

adj
  1. First, earliest or original.
  2. Characteristic of the earliest stage of the development of an organism, or relating to a primordium.
  3. Primeval.
  4. Of an element or isotope: occurring primordially (on Earth) (i.e. inherited from when the Earth was formed); because it is stable, or radioactive but so long-lived that some is left over from when the Earth was formed. For example, primordial radioisotopes (T = half-life in years) include uranium-235 (T = 7×10⁸), potassium-40 (T = 1.25×10⁹), uranium-238 (T = 4.5×10⁹), and thorium-232 (T = 1.4×10¹⁰).
noun
  1. A first principle or element.
  2. A primordial condition or state.

Pronunciation

/pɹaɪˈmɔː.di.əl/ en-uk-primordial.ogg /pɹaɪˈmɔɹ.di.əl/ En-us-primordial.ogg /pɹɑɪˈmoː.di.əl/

Word forms

primordial primordials

Etymology

From the Latin prīmōrdiālis (“of the beginning”). Compare primordium and -al.

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