pentavalent
Americanadjective
Etymology
Origin of pentavalent
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The discovery was unexpected because this pentavalent state of uranium had generally been regarded as unstable and short-lived.
From Science Daily ● Aug. 9, 2026
The WHO said that only 57% of Nigerians are immunised with the pentavalent vaccine, which protects against five life-threatening diseases, including diphtheria.
From BBC ● Oct. 12, 2023
MenAfriVac is given to 1- to 29-year-olds, who are most vulnerable to bacterial meningitis; one possibility is to lower the upper age limit for the pentavalent vaccine.
From Science Magazine ● Oct. 7, 2021
Jacob Puliyel, head of pediatrics at St Stephen's Hospital in Delhi, has been a vocal opponent of both the HPV vaccines and the pentavalent vaccine.
From Scientific American ● Jun. 22, 2011
Group V.: N, trivalent and pentavalent, but divalent in nitric oxide; P, As, Sb, Bi, trivalent and pentavalent, the last being possibly divalent in BiO and BiCl2.
From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various
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