单词	trivalent
释义	trivalent adjective tri·​va·​lent (ˌ)trī-ˈvā-lənt  1 : having a chemical valence of three 2 : conferring immunity to three different pathogenic strains or species a trivalent influenza vaccine Example Sentences Recent Examples on the Web As a first step, in April 2016 all countries switched from the trivalent version of OPV—which covers all three types of polio virus—to a bivalent one, which lacks the type 2 component. Leslie Roberts, Science | AAAS, 10 July 2019 Word History Etymology International Scientific Vocabulary First Known Use 1865, in the meaning defined at sense 1 Medical Definition trivalent 1 of 2 adjective tri·​va·​lent (ˈ)trī-ˈvā-lənt  1 : having a chemical valence of three 2 : conferring immunity to three different pathogenic strains or species a trivalent influenza vaccine trivalent 2 of 2 noun : a group of three synapsed homologous chromosomes in meiosis
随便看	Hydrophilidae hydrophilies hydrophilism hydrophilite hydrophilous hydrophily Hydrophis hydrophobia hydrophobia cat hydrophobia skunk hydrophobias hydrophobic hydrophobicities hydrophobicity hydrophobous hydrophone majlis majlises majo majolica majolica blue majolica earth majolicas major major (in)

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