primordial

Fetched 2026-10-26 (cache).

Synonyms: primordia, primordian, primorial, primordium, precordial, primordiate

Antonyms: primordia, primordian, primorial, primordium, precordial, primordiate

Related words from Datamuse; suggestions, not definitions.

Adjective

1. [[first|First]], [[earliest]] or [[original]].
2. {{lb|en|biology}} [[characteristic|Characteristic]] of the [[earliest]] [[stage]] of the [[development]] of an [[organism]], or relating to a [[primordium]].
3. [[primeval|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 = 7×10{{sup|8}}), [[potassium]]-40 (T = 1.25×10{{sup|9}}), uranium-238 (T = 4.5×10{{sup|9}}), and [[thorium]]-232 (T = 1.4×10{{sup|10}}).

Noun

1. A [[first principle]] or [[element]].
2. A primordial [[condition]] or [[state]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.