From polymeric + -ity.
polymericity (uncountable)
- The quality or condition of being a polymer.
2004, Toshiaki Kabe, Atsushi Ishihara, Eika Weihua Qian, Coal and Coal-Related Compounds: Structures, Reactivity and Catalytic Reactions[1]:As noted above, coals are complex macromolecular solids of polymericity.