Noun

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

*, Bk.I, New York, 2001, p.147:

The radical or innate is daily supplied by nourishment, which some call cambium, and make those secondary humours of ros and gluten to maintain it […].

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

* 2010 , Felicity Cloake, Word of Mouth Blog, The Guardian , 10 Jun 2010:

Unfortunately, wholemeal bread is, according to many experts, a tricky thing to get right, as the lower gluten content of the flour makes for dense results [...].

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

* 1988 , James McPherson, Battle Cry of Freedom , Oxford 2004, p. 669:

Despite constant rain that turned roads to gluten , the Yankees kept moving.

Noun

(en noun)

a protein derived through partial hydrolysis of the collagen extracted from animal skin, bones, cartilage, ligaments, etc.

an edible jelly made from this material

a thin, translucent membrane used as a filter for photography or for theatrical lighting effects

:* {{quote-magazine

, date= , year=2010 , month=April , first= , last= , author=Frank Zullo , coauthors= , title=Imaging Prehistoric Sunrises , volume=38 , issue=4 , page=50 , magazine=Astronomy , publisher= , issn= , url= , passage=For both images I placed a Kodak 4.0 neutral-density gelatin filter over the lens to reduce the Sun's brightness. }}

Noun

(l) or (l)