Main entry: cyclic, cyclical
Definition: recurring in cycles
Antonyms: noncyclic, noncyclical
Definition: not cyclic
Definition: of leaves etc; growing in pairs on either side of a stem
Antonyms: direct
Definition: (of a current) flowing in one direction only
Main entry: cyclic
Definition: of a compound having atoms arranged in a ring structure
Antonyms: acyclic, open-chain
Definition: having an open chain structure
Main entry: cyclic
Definition: forming a whorl or having parts arranged in a whorl
Usage: cyclic petals; cyclic flowers
Antonyms: acyclic
Definition: not cyclic; especially having parts arranged in spirals rather than whorls
Main entry: cyclic
Definition: marked by repeated cycles
Antonyms: nonperiodic, aperiodic
Definition: not recurring at regular intervals