a system that ranks foods by the speeds at which their carbohydrates are converted into glucose in the body; a measure of the effects of foods on blood-sugar levels.
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Science definitions for glycemic index
[ glī-sē′mĭk ]
A numerical index given to a carbohydrate-rich food that is based on the average increase in blood glucose levels occurring after the food is eaten.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.