Search Result for "respiratory syncytial virus":
Wordnet 3.0

NOUN (1)

1. a paramyxovirus that forms syncytia in tissue culture and that is responsible for severe respiratory diseases such as bronchiolitis and bronchial pneumonia (especially in children); 



WordNet (r) 3.0 (2006):

respiratory syncytial virus
    n 1: a paramyxovirus that forms syncytia in tissue culture and
         that is responsible for severe respiratory diseases such as
         bronchiolitis and bronchial pneumonia (especially in
         children)