confluent

1. (meteorology, of wind) Converging, especially as viewed on a weather chart.

2. (biology) Describing cells in a culture that merge to form a mass.

3. (geometry, of a triangle) Exactly the same size as another triangle.

4. (mathematics) Given a binary operation →_β on a set A, and its reflexive, transitive closure ↠_β , then, for all a1, a2, and a3 in A, if a1 →_β a2 and a1 →_β a3, then there must exist an a4 in A such that a2 ↠_β a4 and a3 ↠_β a4.