adiposis UK /ˌæd.ɪˈpəʊ.sɪs/US /ˌæd.ɪˈpoʊ.sɪs/ noun1 •A condition marked by the accumulation of adipose (fatty) tissue.One should always differentiate between adiposis and panniculopathia-oedemato-fibrosclerotica (the so-called cellulite). — 2004 formsadiposes