Collins
World English Dictionary
glycaemic index or (US) glycemic index
 
n
GI an index indicating the effects of various foods on blood sugar. Fast-releasing foods that raise blood sugar levels quickly are high on the index, while slow-releasing foods, at the bottom of the index, give a slow but sustained release of sugar
 
glycemic index or (US) glycemic index
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
glycemic index   (glī-cē'mĭk)  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Experts debate the importance of the glycemic index in controlling blood sugar.
Nutritionists refer to such foods as having a high glycemic index.
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