Definition of quadrivalent in English:

quadrivalent

adjective

Chemistry
  • another term for tetravalent
    • ‘The six spreads with the most well-separated chromosomes were evaluated and showed the same characteristic quadrivalent structure during meiosis.’
    • ‘The complications arising from quadrivalent or trivalent plus univalent formation are not considered in this article.’
    • ‘As presently licensed, quadrivalent meningococcal polysaccharide vaccine is to be given by subcutaneous injection.’
    • ‘Advice from the Department of Health is for all pilgrims to obtain the quadrivalent meningococcal vaccine (ACWY Vac).’
    • ‘The government of Saudi Arabia has now made quadrivalent meningococcal vaccination (ACWY Vac) a visa requirement for pilgrims.’

Pronunciation:

quadrivalent

/ˌkwädrəˈvālənt/