gluten

, 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 […]

[T]he Fly suspends it self very firmly and easily, without the access or need of any such Sponges fill'd with an imaginary gluten, as many have, for want of good Glasses, perhaps, or a troublesome and diligent examination, suppos'd.

Chew on a small piece of dough, and it becomes more compact but persists as a gum-like, elastic mass, the residue that the Chinese named “the muscle of flour” and that we call gluten. It consists mainly of protein, and includes what may well be the largest protein molecules to be found in the natural world.

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