Acyclic may refer to:
* In chemistry, a compound which is an
open-chain compound
In chemistry, an open-chain compound (or open chain compound) or acyclic compound (Greek prefix ''α'' 'without' and ''κύκλος'' 'cycle') is a compound with a linear structure, rather than a Cyclic compound, cyclic one.
An open-chain compound ...
, e.g. alkanes and acyclic aliphatic compounds
* In
mathematics
Mathematics is a field of study that discovers and organizes methods, Mathematical theory, theories and theorems that are developed and Mathematical proof, proved for the needs of empirical sciences and mathematics itself. There are many ar ...
:
** A graph without a
cycle, especially
*** A
directed acyclic graph
In mathematics, particularly graph theory, and computer science, a directed acyclic graph (DAG) is a directed graph with no directed cycles. That is, it consists of vertices and edges (also called ''arcs''), with each edge directed from one ...
** An
acyclic complex is a chain complex all of whose homology groups are zero
*** An
acyclic space is a topological space all of whose homology groups are zero
* In economics, an
economic indicator
An economic indicator is a statistic about an Economics, economic activity. Economic indicators allow analysis of economic performance and predictions of future performance. One application of economic indicators is the study of business cycles. ...
with little or no correlation to the business cycle
{{disambig