tenuity

The air seemed what we call “hollow” and had apparently hardly enough tenuity to convey sounds.

By this contrivance the roving is drawn out into a thread of the desired degree of tenuity and hardness.

He was frightened by the expression of her face, whose pallor and extreme tenuity had something fatal about it.

In only one case, I believe I saw bifurcating cement-ducts, of extreme tenuity, viz.

The tenuity of the film increases; its cohesion is overcome; lakelets are formed, and they merge into each other.