Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A diuretic drug, C12H11N7, that allows potassium to be retained rather than eliminated in the kidney, often used in conjunction with hydrochlorothiazide.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A potassium-sparing diuretic used in combination with thiazide diuretics for the treatment of hypertension and edema.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[tri– + am(ino) + alteration of pteridine.]

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