Definition of "gluten" in Englisch

noun

1. (obsolete) Fibrin (formerly considered as one of the "animal humours").

2. (rare) Any gluey, sticky substance.

3. (cooking, biochemistry) The major protein in cereal grains, especially wheat; responsible for the elasticity in dough and the structure in baked bread.

4. (geology) A gluey, sticky mass of clay, bitumen etc.