1. The quality or state of being tenuous; thinness, applied to a broad substance; slenderness, applied to anything that is long; as, the tenuity of a leaf; the tenuity of a hair.
2. Rarily; rareness; thinness, as of a fluid; as, the tenuity of the air; the tenuity of the blood.
3. Poverty; indigence.
4. Refinement; delicacy.
Origin: L. Tenuitas, from tenuis thin: cf. F. Tenuite. See Tenuous.