paramyxovirus

n. group of viruses that include the viruses which cause mumps and measles

Paramyxoviruses are viruses of the Paramyxoviridae family of the Mononegavirales order; they are negative-sense single-stranded RNA viruses responsible for a number of human and animal diseases.
See more at Wikipedia.org...

Paramyxovirus /para·myxo·vi·rus/ any virus of the family Paramyxoviridae. Paramyxovirus /Para·myxo·vi·rus/ 1. [more]Paramyxovirus - Community and Resources

Noun
1. a group of viruses including those causing mumps and measles
(hypernym) myxovirus
(hyponym) respiratory syncytial virus

A type of virus that has hemagglutinin-neuraminidase proteins in the outer coat and RNA as the genetic material. Measles (rubeola) virus, mumps virus, and Newcastle disease virus are paramyxoviruses.