photosynthesis [photosyntheses](biological process) noun [UK: ˌfəʊ.təʊ.ˈsɪn.θə.sɪs] [US: ˌfoʊto.ʊ.ˈsɪn.θə.sɪs]She was a rickety girl, like a yellowish leaf that can't do photosynthesis. = Era una chica raquítica, como una hoja amarillenta que no consigue realizar la fotosíntesis.