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What does OHH stand for?

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Rank Abbr.Meaning
OHHOceans and Human Health
OHHOilfield Helping Hands (est. 2003; Houston, TX)
OHHOklahoma Heart Hospital (Oklahoma City, OK)
OHHOlde Hide House Acton Ontario (Canada)
OHHOver the Hill Hockey (Ohio)
OHHOral Hygiene Habit (dentistry)

Note: We have 14 other definitions for OHH in our Acronym Attic