1. (adj)acyclic not cyclic; especially having parts arranged in spirals rather than whorls Synonyms: open-chain Antonyms: bicyclic, cyclic, closed-chain, verticillated, closed-ring, whorled, isocyclic, homocyclic, heterocyclic, verticillate
2. (adj)acyclic, open-chain having an open chain structure Synonyms: open-chain, acyclic Antonyms: homocyclic, verticillated, cyclic, closed-chain, verticillate, whorled, bicyclic, heterocyclic, isocyclic, closed-ring