单词	cyanuric acid
释义	cyanuric acid noun cy·​an·​uric acid ˌsī-ə-ˈnu̇r-ik-  -ˈnyu̇r- : a crystalline weak acid C3N3(OH)3 that yields cyanic acid when heated Example Sentences Recent Examples on the Web This tests for seven parameters: total hardness, total chlorine, bromine, free chlorine, pH, cyanuric acid, and total alkalinity. Chris Hachey, BGR, 25 May 2021 It must be used more frequently than chlorine tablets, however, and experts recommend using it in tandem with cyanuric acid as a stabilizer. Emma Stein, Detroit Free Press, 4 June 2021 Testing for free chlorine, total chlorine, bromine, total hardness, total alkalinity, pH and cyanuric acid is made easy with these strips. Chris Hachey, BGR, 25 May 2021 After several years, the researchers homed in on a few promising candidates, most notably two molecules, triaminopyrimidine (TAP) and cyanuric acid (CA). Quanta Magazine, 5 Feb. 2014 Word History Etymology cyan- + urea First Known Use 1838, in the meaning defined above Medical Definition cyanuric acid noun cy·​an·​uric acid ˌsī-ə-ˌn(y)u̇r-ik-  : a crystalline weak acid C3H3N3O3 used especially in swimming pools to protect the available chlorine from dissipation by sunlight
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