Archaeon

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A prokaryotic organism; a member of the domain Archaea

    "Then, the theory goes, a rogue archaeon gobbled up a bacterium to create an entirely new type of cell that would go on to form the basis of all complex life on Earth, from plants to humans."

Synonyms

All synonyms
archaebacteriumarchaebacterium

Example

More examples

"Then, the theory goes, a rogue archaeon gobbled up a bacterium to create an entirely new type of cell that would go on to form the basis of all complex life on Earth, from plants to humans."

Etymology

Scientific Latin, corresponding to a singular form of Archaea.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.