na-adjective
Used in mathematics to describe a system, sheaf, or module that satisfies coherence conditions. Not a general-purpose word for logical consistency.
連接的な層は代数幾何学で重要な概念だ。
Coherent sheaves are an important concept in algebraic geometry.
Compound of 連接 (connection, concatenation) + 的 (-like, adjectival suffix). The mathematical sense is a calque from English 'coherent'.