| Rank | Abbreviation | Meaning |
|---|
| ***** | DEEP VEIN THROMBOSIS. | The development of blood clots in major veins, usually in the leg. The condition can arise from long periods of inactivity on airplane flights and is potentially fatal.
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| **** | VEIN BIOMETRIC | A cost effective Biometric for security applications using infra-red vein imaging with conventional computing platforms
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| *** | VEIN | Veterinary Exotic Information Network
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| *** | VEIN | Video Education Interactive Network
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| *** | VEIN | Veterinary Education and Information Network
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| * | VEIN | Vampire Exchange Information Network
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