noun
associativity; connectivity
Technical term used in computing and mathematics to describe the property of operations or connections being associative or having connectivity.
この演算子は結合性を持たない。
This operator does not have associativity.
ネットワークの結
We need to improve the connectivity of the network.
Compound of 結合 (ketsugō, 'combination, connection') and 性 (-sei, '-ness, property'). The derivation is straightforward; the term is a modern technical coinage.