Abbreviations & Acronyms Dictionary

Oñate High School
O'connell High School
O'Gorman High School
O'Neill High School
Oak Hill School
Oakcrest High School
Oakdale High School
Oakfield High School
Oakland High School
Oakley High School
Oakmont High School
Oakridge High School
Oakton High School
Oakville High School
Oakwood High School
Oberlin High School
Oberon High School
Obesity hypoventilation syndrome
Oblong High School
Occipital horn syndrome
Occupational Health & Safety
Occupational Health and Safety
Occupational Health Service
Occupational Health Services
Oceana High School
Oceanside High School
Ocoee High School
Oconomowoc High School
Oconto High School
October Household Survey
Octorara High School
Ocular histoplasmosis syndrome
Odem High School
Odessa High School
Off-Hook Service
Office of Handicapped Services
Office of Head Start
Office of Health and Safety
Office of Health Sciences
Office of Highway Safety
Office of Homeland Security
Ogallala High School
Ogden High School
Ogilvie High School
Ohatchee High School
Ohio Historical Society
Oil and Hazardous Substance
Oil-Hydraulic System
Okarche High School
Okeechobee High School
Okemos High School
Oklahoma Historical Society
Okmulgee High School
Okoboji High School
Ola High School
Olean High School
Olentangy High School
Olney High School
Olympia High School
Olympian High School
Olympic High School
Olympus High School
Omak High School
Omega High School
Omro High School
Onalaska High School
Oneida High School
Onekama High School
Oneonta High School
Ontario Health Survey
Ontario High School
Ontario Historical Society
Ontario Homeopathic Society
Ontario Humane Society
Ontario Hydro Services
Ooltewah High School
Oostburg High School
Opelika High School
Open heart surgery
Open High School
Open Hyperdocument System
Open-Hearth Steel
Opp High School
Oracle HTTP Server
Oral Health Section
Oral hydration solutions
Orange High School
Orangefield High School
Orara High School
Oregon High School
Oregon Historical Society
Orem High School
Orestimba High School
Orion High School
Orland High School
Orofino High School
Orono High School
Orosi High School
Oroville High School
Orrville High School
Ortega High School
Orting High School
Ortonville High School
Osage High School
Osawatomie High School
Osborn High School
Osborne High School
Osbourn High School
Osceola High School
Oscoda High School
Oskaloosa High School
Oslo Hypertension Study
Ossining High School
Oswego High School
Othello High School
Otsego High School
Ottawa High School
Ottoville High School
Ottumwa High School
Ovarian hyperstimulation
Ovarian hyperstimulation syndrome
Overbrook High School
Overfelt High School
Overhead hoist shuttle
Overhills High School
Overhydrated hereditary stomatocytosis
Overland High School
Overlea High School
Overton High School
Oviedo High School
Owasso High School
Owensboro High School
Owensville High School
Owosso High School
Oxford Handicap Scale
Oxford High School
Oxford Hip Score
Oxley High School
Oxnard High School
Ozark High School
Ozaukee High School
Ozen High School
Ozona High School