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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 203 meanings
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showing only Science & Medicine definitions (Show all) |
| Category Filters > | All definitions (203) |
Information Technology (20) |
Military & Government (59) |
Science & Medicine (49) |
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| sort results: alphabetical | rank ? | |||
| Rank | Abbr. | Meaning | |
|---|---|---|---|
| ****** | AR | Arabic | |
| ****** | AR | Amateur Radio | |
| ****** | AR | Active Region (sunspot observation) | |
| ****** | AR | Action Research | |
| ****** | AR | Annual Rate | |
| ****** | AR | Anti-Reflection | |
| ****** | AR | Anti-Reflective | |
| ****** | AR | Aspect Ratio | |
| ****** | AR | Acoustic Research (loudspeaker manufacturer) | |
| ****** | AR | Aromatic | |
| ****** | AR | Androgen Receptor | |
| ****** | AR | Argon | |
| ****** | AR | Antibiotic Resistance | |
| ***** | AR | Allergic Rhinitis | |
| ***** | AR | Autosomal Recessive (genetics; recessive gene on one of the 23 pairs of autosomes) | |
| ***** | AR | Adverse Reaction | |
| ***** | AR | Artificial Respiration (aka artificial resuscitation) | |
| ***** | AR | Antimicrobial Resistance | |
| ***** | AR | Atmospheric Research | |
| ***** | AR | Arsenide | |
| ***** | AR | Aortic Regurgitation (aortic insufficiency) | |
| ***** | AR | Anal Retentive | |
| ***** | AR | Air Resistance | |
| ***** | AR | Area Ratio | |
| ***** | AR | Attributable Risk | |
| ***** | AR | Aldose Reductase | |
| ***** | AR | Acute Rejection | |
| ***** | AR | Angle Resolved | |
| ***** | AR | Anti-Radiation | |
| **** | AR | Age Regression | |
| **** | AR | Atrophic Rhinitis (pig respiratory disease) | |
| **** | AR | Axial Ratio | |
| **** | AR | Activity Ratio | |
| **** | AR | Approximate Reasoning | |
| **** | AR | Acetal Resin | |
| **** | AR | Advanced Reactor | |
| **** | AR | Acoustic Reflex | |
| *** | AR | Air Revitalization | |
| *** | AR | Artificial Resuscitation | |
| *** | AR | Anti-Reflectance | |
| *** | AR | Absorber Rod | |
| *** | AR | Archival Researcher | |
| *** | AR | Atmospheric Revitalization | |
| ** | AR | Avance-Retard (French) | |
| ** | AR | Auscultacion Respiratoria (Spanish: Respiratory Auscultation) | |
| ** | AR | Argonne Area Office (US DOE) | |
| ** | AR | Adaptive Reception Control | |
| ** | AR | Agonist Reversal (PNF technique) | |
| * | AR | Adrenergic Receptor (protein) | |
| showing only Science & Medicine definitions (show all 203 definitions) | |||
| Note: We have 169 other definitions for AR in our Acronym Attic | |||
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