Learn how to say Syncytial correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word syncytial:
(biology) of or relating to a mass of cytoplasm containing many nuclei and enclosed in a cell membrane see also respiratory syncytial virus
(plural) -cytia (-ˈsɪtɪə)
(zoology) a mass of cytoplasm containing many nuclei and enclosed in a cell membrane
C19: New Latin; see syn-, cyto-, -ium