glycemic index


Definition of glycemic index

: a measure of the rate at which ingested food causes the level of glucose in the blood to rise also : a ranking of foods according to the glycemic index abbreviation GI

Examples of glycemic index in a Sentence

Recent Examples on the Web Researchers found that foods high on the glycemic index cause a spike in blood sugar and a hunger-inducing crash, plus a surge in the stress hormone adrenaline. Lauren Steele, Outside Online, 14 July 2014 Foods with a low GI, or glycemic index, score can reduce blood pressure spikes. Laken Brooks, Forbes, 10 Nov. 2021 Studies suggest that foods with a high glycemic index (white bread, white potatoes, pastries, white rice, milkshakes) may be prominent acne triggers. Krissy Brady, SELF, 30 Oct. 2021 Each bar provides about 200 calories, with a relatively low protein content of 5 grams, a low glycemic index, about 6 grams of net carbs, and 17 grams of fat. Cynthia Sass, Mph,, 29 Oct. 2021 The glycemic index measures how quickly a certain food raises the glucose (or sugar) levels in your blood. Sarah Lemire,, 12 Oct. 2021 Instead of the quick burst of energy and accompanying crash that comes from a high-glycemic index snack or lunch, opt for a low-glycemic meal (more protein and complex carbs, fewer simple sweet or starchy carbs). Andrew Deutscher, Forbes, 1 June 2021 Grapes are naturally a low-calorie, fat-free food with a relatively low glycemic index. Stefani Sassos, Ms, Rdn, Cso, Good Housekeeping, 26 May 2021 All the products contain monk fruit from the Luo Han Guo plant, and have a natural, zero-glycemic index sweetness as the core sweetener, according to the founders. Monica Haider, Forbes, 11 May 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'glycemic index.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of glycemic index

1981, in the meaning defined above

Learn More About glycemic index

Time Traveler for glycemic index

Time Traveler

The first known use of glycemic index was in 1981

See more words from the same year

Dictionary Entries Near glycemic index


glycemic index


See More Nearby Entries 

Statistics for glycemic index

Cite this Entry

“Glycemic index.” Dictionary, Merriam-Webster, Accessed 27 Jun. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for glycemic index

glycemic index


Medical Definition of glycemic index

: a measure of the rate at which an ingested food causes the level of glucose in the blood to rise the insulin response caused by carbohydrate depends on the glycemic index … of the food— Trevor Smith also : a ranking of foods according to their glycemic index abbreviation GI

More from Merriam-Webster on glycemic index Encyclopedia article about glycemic index


Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!