1 of 2


often capitalized
: a white crystalline powder C4H11NO3 used as a buffer (as in the treatment of acidosis)

called also tris buffer, tromethamine


2 of 2


: a phosphoric acid ester C9H15Br6O4P formerly used to flameproof clothes and especially children's nightclothes until it was found to cause cancer in animals

Dictionary Entries Near tris

Cite this Entry

“Tris.” Medical Dictionary, Merriam-Webster, Accessed 24 Apr. 2024.

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