Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Chemistry Having valence 3.
- adjective Having three sites of attachment. Used of an antibody or antigen.
- adjective Containing antigens from three strains of a microorganism or virus. Used of a vaccine or serum.
from The Century Dictionary.
- In chem., equivalent in combining or displacing power to three monad atoms; triadic: applied to an element or a radical. Also
triatomic .
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Chem.) Having a valence of three; capable of being combined with, substituted for, or compared with, three atoms of hydrogen; -- said of triad atoms or radicals; thus, nitrogen is
trivalent in ammonia.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective inorganic chemistry having a
valence of 3 - noun genetics Any trivalent chromosome.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adjective having a valence of three
Etymologies
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Examples
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A review of 31 studies published over four decades found that the most widely used seasonal flu vaccine, known as trivalent inactivated vaccine, was only 59 per cent effective in healthy adults.
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It will be decided later whether vaccine-makers put them all in one shot, a so-called trivalent dose, or split them up.
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According to the Health Protection Agency, the vast majority of those who died had not had this season's "trivalent" vaccine, which protects against three strains of flu.
Some GP surgeries are running out of flu vaccine, admits government 2011
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Influenza vaccines are trivalent, meaning they contain three different strains.
Yahoo! News: Latest news headlines News Headlines | Top Stories 2010
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Influenza vaccines are trivalent, meaning they contain three different strains.
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Influenza vaccines are trivalent, meaning they contain three different strains.
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The other strains are H3N2 - which like H1N1 is a type of influenza A - and influenza B. Fukuda said national health regulatory authorities would have to decide whether to combine the three strains into a single "trivalent" shot, administer three separate vaccines, or use a separate H1N1 shot and combine the other two in one shot.
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The federal government restricts the amount of "total chromium" in drinking water and requires water utilities to test for it, but that includes both trivalent chromium, a mineral that humans need to metabolize glucose, and hexavalent chromium, the metal that has caused cancer in laboratory animals.
Probable carcinogen hexavalent chromium found in drinking water of 31 U.S. cities Lyndsey Layton 2010
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I performed a study with Dr. Harry Preuss and colleagues using trivalent chromium in the form of niacin-bound chromium NBC.
Forever Young M.D. Nicholas Perricone 2010
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She explains, The problem is that trivalent chromium is actually good for you--in fact, it's necessary for metabolism.
The Media Consortium: Weekly Mulch: Coal Ash in Our Stockings The Media Consortium 2010
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