What does gluten mean?
Gluten is the name for a group of proteins naturally present in wheat, barley, rye, and some related grains. When flour is mixed with water and worked into dough, gluten proteins join into an elastic network that traps gases produced by yeast or other leavening agents, helping bread and other baked goods rise and hold their shape. The word is especially common in food, nutrition, and health discussions because some people have celiac disease, wheat allergy, or a non-celiac sensitivity to gluten. In everyday usage, “gluten” usually refers to the entire protein fraction of grain rather than to an individual protein. It can also describe a sticky, elastic mass separated from flour by washing away the surrounding starch. Although the word comes from a Latin term meaning “glue,” its principal modern meaning is closely associated with baking and with the structure of dough.
nounGluten is the collective name for a group of proteins found in wheat, barley, rye, and related grains. In flour and dough, these proteins form an elastic network that helps give bread and other baked goods structure.
- The collective group of proteins found in wheat, barley, rye, and related grains, especially when hydrated in dough.
- Historically, a sticky or adhesive substance; this original sense is now rare.
"The baker carefully handled the dough so that its gluten could develop without tearing."
"A gluten-free diet excludes the proteins found in wheat, barley, and rye."
"When flour is washed, the gluten remains behind as a soft, elastic mass."
The plural is rarely used in ordinary English because gluten is normally treated as a mass noun.
"The article compares the properties of different glutens."
Gluten comes from the Latin word for “glue,” a fitting name for the elastic proteins that give dough its stretch and structure.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does gluten come from?
The English word comes from Latin gluten, meaning “glue,” a noun related to glutinus, “sticky” or “glutinous.” In English, the word was historically associated with sticky or adhesive material before becoming established for the protein substance found in flour. English forms such as “glutinous,” “agglutinate,” and “agglutination” belong to the same Latin root.
Related word forms
How gluten is actually used
Gluten is normally an uncountable mass noun, especially in culinary and dietary contexts. It can also refer collectively to the proteins in grain rather than to a single protein. The adjective “glutenous” is uncommon but exists in formal or technical writing.