A salt or ester formed from cyanuric acid, containing the cyanurate ion (C₃N₃O₃)³⁻.
From cyanuric (adjective form) + -ate (salt or ester suffix). Cyanuric acid itself comes from cyan- + -uric (relating to urine, where it was first discovered).
Cyanurates are the unsung heroes of swimming pools—cyanuric acid (a cyanurate compound) stabilizes chlorine and keeps it from breaking down in sunlight, which is why every pool needs it, even though most swimmers have no idea why.
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