Blood Alcohol Concentration

Blood Alcohol Concentration (pronunciation: /blʌd ˈælkəhɔːl ˌkɒnsənˈtreɪʃn/), often abbreviated as BAC, is a measure of the amount of alcohol present in a person's bloodstream. It is usually measured as mass per volume. For example, a BAC of 0.02% means 0.2g of alcohol per 1000g of an individual's blood, or 0.2g per liter, which is equivalent to 0.2g per 1000ml.

Etymology

The term "Blood Alcohol Concentration" is derived from the three words: "Blood" (Old English blōd), "Alcohol" (Arabic al-kuḥl), and "Concentration" (Latin concentratus).

Related Terms

• Alcohol Intoxication
• Breathalyzer
• Drunk Driving
• Alcoholism
• Alcohol Abuse

See Also

• Alcohol and Health
• Effects of Alcohol on the Body
• Alcohol Laws

References

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