单词	titre
释义	titre noun ti·​tre chiefly British spelling of titer 1 : the strength of a solution or the concentration of a substance in solution as determined by titration … if the analyst is using an oxalic acid solution to titrate a solution of calcium oxide, the titer of the oxalic acid solution would be expressed as its CaO titer, or the weight of CaO that is consumed by 1mL of the oxalic acid solution. John Kenkel 2 : a measure of the concentration of a substance (such as an antibody) in a blood sample that is obtained by subjecting the sample to serial dilutions (as with saline) to determine the maximum dilution at which the sample retains a specific activity (such as neutralizing an antigen) and that is often expressed as a ratio (such as 1:200) I have examples of people who clearly were infected who are antibody negative. They probably have such a low titer of antibody that it's below the level of the cutoff. Anthony Fauci The Blood Center will also ensure that the plasma has high titers of antibodies against the coronavirus. John Timmer also : a test for obtaining a blood titer —often used before another noun an antibody titer test Medical Definition titre chiefly British variant of titer
随便看	Nubian ibex nubians nubias nubile nubiler nubilest nubilities nubility nubilous nubs nubuck nubucks nucament nucellar nucelli nucellus nucelluses nucha nuchae nuchal nuchals nuche fly nuciform nucifragae nucifragas

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。