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What does OH stand for?

OH stands for Operating Hour

This definition appears frequently and is found in the following Acronym Finder categories:

  • Military and Government

See other definitions of OH

Other Resources:
We have 30 other meanings of OH in our Acronym Attic

Samples in periodicals archive:

These special operating hours give racing enthusiasts and general thrill-seekers alike the chance to enjoy some quality time out on the karting track as the Kingdom celebrates and ushers in the new calendar year.
Semiannual PMCS must be performed every six months, every 150 vehicle operating hours, of every 1,500 miles (2,400 kilometers), whichever comes first.