tenuity

Birch branches are to be preferred on account of their tenuity.

From Gas-Engines and Producer-Gas Plants A Practice Treatise Setting Forth the Principles of Gas-Engines and Producer Design, the Selection and Installation of an Engine, Conditions of Perfect Operation, Producer-Gas Engines and Their Possibilities, the Care of Gas-Engines and Producer-Gas Plants, with a Chapter on Volatile Hydrocarbon and Oil Engines by R. E. Mathot

All the spines are of excessive tenuity and sharpness; they are straight, long, and not plumose.

From A Monograph on the Sub-class Cirripedia With Figures of all the Species. by Charles Darwin

The structure is exceedingly delicate, the peridium between the ribs and reticulations reduced to the last degree of tenuity, with the iridescence of the soap-bubble, here and there lapsed entirely.

From The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species by Thomas H. (Thomas Huston) MacBride

With all Shelley’s splendid imagery and colour, I find a sort of tenuity in his poetry.”

From Tennyson and His Friends by Various

Its two cardinal defects are lack of simplicity of treatment, and tenuity or triviality of the subject, or plot.

From John Greenleaf Whittier His Life, Genius, and Writings by W. Sloane Kennedy