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1. Chemistry Having valence 5.
2. Immunology
a. Having five sites of attachment. Used of an antibody or antigen.
b. Containing antigens from five strains of a microorganism or virus. Used of a vaccine or serum.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Chemistry) chem having a valency of five. Also: quinquevalent
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌpɛn təˈveɪ lənt, pɛnˈtæv ə-)

1. having a valence of five: pentavalent arsenic.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.pentavalent - having a valence of five
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
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References in periodicals archive ?
Succeeding doses are administered at ages one-and-a-half months, two and a half months, and three and a half months in the form of the combination Pentavalent vaccine for diphtheria, pertussis, tetanus, haemophilus influenzae B and hepatitis B.
The move came as an inquiry was launched in to the loss of pentavalent vaccines worth $3.9 million.
Along with the recent introduction of the pentavalent vaccine, this decision represents one of the most significant policy leaps in 30 years in public health, preventing at least one lakh infant deaths, deaths of adults in working age group and up to 10 lakhs hospitalizations each year.
Global healthcare company Merck & Co Inc (NYSE:MRK) (MSD outside the US and Canada) on Friday announced the launch in Rwanda of Africa's first national rotavirus vaccination programme with ROTATEQ (rotavirus vaccine, live, oral, pentavalent), Merck's vaccine for the prevention of rotavirus disease.
For example, the length of time from the start of development until Food and Drug Administration licensure for the pentavalent rotavirus vaccine was over 20 years.
Bharat Biotech also manufactures vaccines for typhoid, polio, and pentavalent combination vaccines.
The pentavalent vaccine and many other combination vaccines waiting to enter Universal Immunization Programme (UIP) have brought into sharp focus the gaping gap between lofty slogans of 'evidence based medicine' and the actual dynamics that drive policy on the ground (1-4).
and GlaxoSmithKline Biologicals have revised the prescribing information and patient labeling for their respective rotavirus vaccine products, pentavalent rotavirus vaccine (RV5) and monovalent rotavirus vaccine (RV1), with approval from the Food and Drug Administration (1,2).
In March 2009, the CDC received reports of two infants diagnosed with SCID who had infection with the pentavalent rotavirus vaccine (RV5, Ro tateq).
Typhimurium isolates were identified as DT104, and all had a pentavalent resistance pattern (resistance to ampicillin, chloramphenicol, streptomycin, sulfonamides, and tetracycline) (3).
Inorganic arsenic is methylated via glutathione (GSH) conjugation to the pentavalent species: monomethylarsonic acid [MMA(V)], dimethylarsinic acid [DMA(V)], and trimethylarsenic oxide [TMAO(V)] (Kitchin 2001; Sordo et al.