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Word(s) in meaning: chat "global warming" Postal codes: USA: 81657, Canada: T5A 0A7 
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Your abbreviation search returned 109 meanings
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showing only Science & Medicine definitions (Show all) |
| Category Filters > | All definitions (109) |
Information Technology (14) |
Military & Government (32) |
Science & Medicine (21) |
Organizations, Schools, etc. (19) |
Business & Finance (18) |
Slang, Chat & Pop culture (13) |
| sort results: alphabetical | rank ? | |||
| Rank | Abbr. | Meaning | |
|---|---|---|---|
| ****** | OS | On Schedule | |
| ****** | OS | One Side | |
| ****** | OS | Overall Survival | |
| ****** | OS | Off Screen (cinematography) | |
| ****** | OS | Outer Space | |
| ****** | OS | Old Style (or Old System; referring to Julian Calendars) | |
| ****** | OS | Osmium | |
| ***** | OS | Overshoot | |
| ***** | OS | Oxygen Sensor | |
| ***** | OS | Observational Study | |
| ***** | OS | Orthopedic Surgeon | |
| ***** | OS | Over Speed | |
| **** | OS | Order Statistic | |
| **** | OS | Oculus Sinister (Latin: Left Eye) | |
| **** | OS | Oil Separator | |
| **** | OS | Opening Snap (mitral valve) | |
| *** | OS | Orthopterists' Society | |
| *** | OS | Object Slice | |
| *** | OS | Operating Strength | |
| *** | OS | Optical Silicon (semiconductor chip components) | |
| * | OS | Ouabain-Sensitive | |
| showing only Science & Medicine definitions (show all 109 definitions) | |||
| Note: We have 67 other definitions for OS in our Acronym Attic | |||
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