OTU

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English[edit]

Proper noun[edit]

OTU

  1. Initialism of Ontario Tech University.

Noun[edit]

OTU (plural OTUs)

  1. (biology) Initialism of operational taxonomic unit.
    • 2023, Wolfgang Denzer, Hinrich Kaiser, “Naming And Gaming: The Illicit Taxonomic Practice Of 'Nomenclatural Harvesting' And How To Avoid It”, in Journal of Zoology, volume 320, number 3, page 163:
      The nomenclatural harvester shown here “plucks” unnamed OTUs off a phylogenetic tree in order to claim easy fame by naming them without scientific rationale or ethical concerns.
  2. (aviation) Initialism of Operational Training Unit.
  3. Initialism of oxygen toxicity unit.