IH

See also: Appendix:Variations of "ih"

English

Noun

IH (uncountable)

  1. Initialism of industrial hygiene.
    Near-synonyms: OSH, OHS
  2. Initialism of idiopathic hypersomnia.
  3. (mathematics) Initialism of induction hypothesis or inductive hypothesis.
  4. (Texas) Initialism of interstate highway.
  5. International Harvester Company, a former machinery-building company and the tractor brand named for it.
    Synonym: IHC

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