from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Having valence 5.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. having a valence of 5

from the GNU version of the Collaborative International Dictionary of English

  • adj. Having a valence of five; -- said of certain atoms and radicals.

from The Century Dictionary and Cyclopedia

  • In chem., capable of combining with or saturating five univalent elements or radicals: applied both to elements and to compound radicals.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. having a valence of five


Sorry, no etymologies found.


  • The vaccine called pentavalent immunises human body against diseases such as diphtheria, whooping chough, tetanus, Hepatitis B and Haemo Philes Influenza B. Dr Shyam Raj Upreti, director of CHD, said the vaccine would help bring down child mortality rate to a large extent.

    The Himalayan Times RSS

  • When GAVI was launched in 2000 with $750 million over 5 years, there were widespread expectations that prices for common vaccines, such as the DTP-Hepatitis B-Hib pentavalent, mentioned above, would drop within that time period.

    Dr. Orin Levine: 10 Years of Vaccine Progress in 10 Days

  • Also on Monday, three emerging market manufacturers -- Serum Institute, Panacea Biotec and Bharat Biotech -- announced that they will provide DTP-Hepatitis B-Hib pentavalent vaccines at the lowest price these vaccines have ever been made available -- as low as $1.75 per dose.

    Dr. Orin Levine: 10 Years of Vaccine Progress in 10 Days

  • The first step forward was in November 2010 -- a decade into GAVI's work -- when it announced pricing for the pentavalent vaccine would drop below $3.00 USD per dose.

    Dr. Orin Levine: 10 Years of Vaccine Progress in 10 Days

  • Doctors say providing life-saving pentavalent vaccine for such killer diseases as diphtheria, tetanus, pertussis, hepatitis B, and Haemophilus influenza type B will save more than 6 million lives by 2020.

    Health Organization, Gates Foundation Promote Greater Use of Vaccines

  • The Global Alliance for Vaccines and Immunisation Gavi, set up by Microsoft founder Bill Gates, said yesterday that Serum Institute of India and Panacea Biotec had agreed to reduce the prices of their pentavalent vaccine, which protects against five fatal diseases.

    Drugs companies to lower price of vaccines in developing countries

  • The three vaccines were Pneumococcal Conjugate Vaccine (PCV), a vaccine for rotavirus, and a pentavalent, he told a media briefing following Cabinet's Wednesday meeting.

    ANC Daily News Briefing

  • In south-western Europe, follow-up studies using pentavalent antimonials, the same first-line drug used to treat classic leishmaniasis, show a positive response in 83% of cases.

    Chapter 6

  • There were four practically simultaneous detonations -- silent, but terrific explosions as the pent-up internal energy of solid pentavalent nitrogen was instantaneously released -- and the four insensately murderous spheres disappeared into jagged fragments of wreckage, flying wildly away from the centers of explosion.

    Spacehounds of IPC

  • "Crystalline, pentavalent nitrogen -- no wonder it's violent!"

    Spacehounds of IPC


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