n, often cap  :  a white crystalline powder C₄H₁₁NO₃ used as a buffer (as in the treatment of acidosis) - called also tris buffer , romethamine  .
n :  a phosphoric acid ester C₉H₁₅Br₆O₄P formerly used to flameproof clothes and esp. children's nightclothes until it was found to cause cancer in animals .
 
 
 
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