na-adjective
acyclic
Technical term used in mathematics, computer science, and graph theory to describe a structure with no cycles.
このグラフは非循環的である。
This graph is acyclic.
非循環的な有向グラフをDAGと呼ぶ。
An acyclic directed graph is called a DAG.
Compound of 非 (non-) + 循環 (circulation, cycle) + 的 (-like, -ic). A straightforward technical coinage.