Definition of potyvirus in US English:

potyvirus

noun

Virology
  • Any member of the large genus Potyvirus or family Potyviridae of non-enveloped, single-stranded RNA viruses with flexuous filamentous particles, which are pathogens of numerous plant species, causing economically significant diseases, especially mosaics, mottles, and yellows, and are usually transmitted by aphids. Also (in form Potyvirus): the genus itself.

Origin

1970s. From pot- and y (in potato virus Y, name of the type member of the genus) + virus.

Pronunciation

potyvirus

/ˈpɒtiˌvʌɪrəs/