The quality or capacity of being able to stick or glue together.
From agglutinate + -ability (Latin -abilitas). Describes the inherent capacity for agglutination, following the pattern of similar -ability nouns.
Red blood cells' agglutinability—their ability to clump together when mixed with certain antibodies—is literally how blood typing works and why transfusions can be life-or-death situations.
Complete word intelligence in one call. Free tier — 50 lookups/day.