Acyclic

Acyclic may refer to:
 * In chemistry, a compound which is an open-chain compound, e.g. alkanes and acyclic aliphatic compounds
 * In mathematics:
 * A graph without a cycle, especially
 * A directed acyclic graph
 * An acyclic complex is a chain complex, all of whose homology groups are zero
 * In economics, an economic indicator with little or no correlation to the business cycle