nonavalent

N1O1N1A1V4A1L1E1N1T1

adjective

Having an atomic valence of 9.

Scrabble 13
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Meanings

adjectivenonavalent (not comparable)
  1. not comparablechemistryHaving an atomic valence of 9.
  2. not comparablemedicineHaving a vaccine valence of 9.

    The Merck nonavalent HPV vaccine that is currently being tested would be better than both of these, because it protects from infection from 9 HPV types but would still not impact on all HPV types.

    2015 April 2, Anna-Lise Williamson, Jane Grant-Kels, “The Interaction between Human Immunodeficiency Virus and Human Papillomaviruses in Heterosexuals in Africa”, in Journal of Clinical Medicine, volume 4, →DOI

Origin

From nona- + -valent.

Full word history & related roots →
Cite this entry
APA

nonavalent. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/nonavalent

MLA

“nonavalent.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nonavalent. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “nonavalent,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/nonavalent.

Source: nonavalent on Wiktionary, CC BY-SA 4.0.