- acyclic - botany; not cyclic; especially having parts arranged in spirals rather than whorls
Antonyms: cyclic, verticillate, verticillated, whorled
- acyclic, open-chain - chemistry; not cyclic; having an open chain structure
Antonyms: cyclic, bicyclic, closed-chain, closed-ring, heterocyclic, homocyclic, isocyclic