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Proper noun[edit]


  1. The taxonomic superdomain of all non-cellular life.
  2. The taxonomic domain of viruses and viroids.

Usage notes[edit]

When the definition of life includes non-cellular and cellular lifeforms, this is one of the two main divisions, the other being Cytota.

When treated as a domain, its compatriot domains of life are usually divided into three, the taxonomic domains, the prokaryotes (bacteria or eubacteria; Prokaryota), the eukaryotes (Eukarya / Eukaryota), and the Archaea (archebacteria).


Coordinate terms[edit]

Related terms[edit]

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