IPA: /vɪsˈkɪdəti/
KK: /vɪsˈkɪdəti/
A quality or state of being thick and sticky, often referring to a substance that is glue-like or has a gelatinous texture.
The viscidity of the syrup made it difficult to pour.
Viscidity is formed from "viscid" (from Latin "viscidus", meaning sticky or adhesive) and the suffix "-ity" (meaning the state or condition of). The word "viscidity" refers to the state of being sticky or adhesive.
Think of the word 'viscid' which means sticky, and remember that 'viscidity' describes the condition of being sticky.