fructose
noun
fruc·tose
ˈfrək-ˌtōs 
ˈfrük-
ˈfru̇k-
ˈfrük-
ˈfru̇k-
-ˌtōz
1
: a crystalline sugar C6H12O6 sweeter and more soluble than glucose
2
: the very sweet levorotatory d-form of fructose that occurs especially in fruit juices and honey
called also fruit sugar, levulose
Examples of fructose in a Sentence
Recent Examples on the Web
Gone are the days when teetotalers were limited to a syrupy Shirley Temple or a soda loaded with high-fructose corn syrup or aspartame.
—
Brock Keeling, Oc Register, 31 Dec. 2025
As bananas ripen, their fructose, glucose, and total sugar content increases, which increases blood sugar levels.
—Merve Ceylan, Health, 29 Dec. 2025
If your child prefers sweetness, glaze carrots with a little honey or ketchup (try Simply Heinz Ketchup, which is made with cane sugar instead of high-fructose corn syrup).
—Karen Cicero, Parents, 21 Dec. 2025
In addition, avoid snacking on sweets and sugary drinks throughout the day, especially those containing table sugar or high-fructose corn syrup.
—Jacqueline Abranches, The Conversation, 2 Dec. 2025
See All Example Sentences for fructose
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Brock Keeling, Oc Register, 31 Dec. 2025
As bananas ripen, their fructose, glucose, and total sugar content increases, which increases blood sugar levels.
—Merve Ceylan, Health, 29 Dec. 2025
If your child prefers sweetness, glaze carrots with a little honey or ketchup (try Simply Heinz Ketchup, which is made with cane sugar instead of high-fructose corn syrup).
—Karen Cicero, Parents, 21 Dec. 2025
In addition, avoid snacking on sweets and sugary drinks throughout the day, especially those containing table sugar or high-fructose corn syrup.
—Jacqueline Abranches, The Conversation, 2 Dec. 2025
See All Example Sentences for fructose
Cite this Entry
“Fructose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fructose. Accessed 4 Jan. 2026.
Copy CitationKids Definition
fructose
noun
fruc·tose
ˈfrək-ˌtōs
ˈfru̇k-
ˈfru̇k-
: a very sweet sugar that dissolves easily and occurs especially in fruit juices and honey
Medical Definition
fructose
noun
fruc·tose
ˈfrək-ˌtōs
ˈfrük-
ˈfru̇k-
ˈfrük-
ˈfru̇k-
-ˌtōz
1
: an optically active sugar C6H12O6 that differs from glucose in having a ketonic rather than an aldehydic carbonyl group
2
: the very sweet soluble levorotatory D-form of fructose that occurs especially in fruit juices and honey
called also levulose
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