from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. density, thickness; the state or quality of being inspissated, thickened (used of liquids)
from the GNU version of the Collaborative International Dictionary of English
- n. The quality or state of being spissated.
from The Century Dictionary and Cyclopedia
- n. Density; the denseness or compactness which belongs to substances not perfectly liquid nor perfectly solid; inspissated condition.
From Latin spissitudo, from spissus ("thick"). (Wiktionary)