viscidity

They are attenuating and deobstruent, consequently of service in disorders arising from a languid circulation, a viscidity of the juices, a lax fibre, and obstructed viscera.

From Travels through France and Italy by T. (Tobias) Smollett

The new-born worms, thanks to a slight viscidity, cling for a moment to the wire-gauze; they swarm, wriggle, release themselves and leap into the chasm.

From The Wonders of Instinct Chapters in the Psychology of Insects by Alexander Teixeira de Mattos

If strength, elasticity, clearness, and perfect freedom from viscidity, be tests of excellence, then this product may be considered as equal to any other. 

From Journals of Travels in Assam, Burma, Bhootan, Afghanistan and the Neighbouring Countries by William Griffith

By mixing vaseline with paraffin a soft wax may be made of any desired degree of softness, and by dissolving vaseline in kerosene an insulating liquid of any degree of viscidity may be obtained.

From On Laboratory Arts by Richard Threlfall

The Peruvian bark gatherers adulterate the true cinchona bark with this, but it may be detected by its white inner surface, its less powerful bitter taste, and a viscidity not possessed by the cinchonas.

From Catalogue of Economic Plants in the Collection of the U. S. Department of Agriculture by William Saunders