Carb

Carb: Slang for carbohydrate. Mainly sugars and starches, together constituting one of the three principal types of nutrients used as energy sources (calories) by the body. Carbohydrates can also be defined chemically as neutral compounds of carbon, hydrogen and oxygen. Carbohydrates come in simple forms such as sugars and in complex forms such as ...
Found on http://www.medterms.com/script/main/art.asp?articlekey=15382

CARB

California Air Resources Board
Found on http://www3.sympatico.ca/dhaughey/j1930.htm

carb

an informal unit equal to 1 gram of carbohydrate, commonly used in describing low-carbohydrate diets such as the Atkins diet. This newer usage of the term 'carb' conflicts with the traditional use by diabetics (previous entry).
Found on http://www.unc.edu/~rowlett/units/dictC.html
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