E0182300 (ĕp′ĭ-sōm′)n. A segment of DNA in certain cells, especially bacterial cells, that can exist either autonomously in the cytoplasm or as part of a chromosome.ep′i·so′mal adj.ep·i·so′mal·ly adv.
episomally
(ˌɛpɪˈsəʊməlɪ) adv (Microbiology) in the manner of an episomeEncyclopediaSeeepisome