Definition of thiazide in English:

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Pronunciation: /ˈTHīəˌzīd/


Any of a class of sulfur-containing drugs that increase the excretion of sodium and chloride and are used as diuretics and as a method of lowering the blood pressure.
Example sentences
  • If you have diabetes and high blood pressure, taking a thiazide diuretic plus an ACE inhibitor can decrease your risk of heart attack and stroke.
  • Combinations of several drugs will be required for most patients, and such an antihypertensive treatment cocktail should include a thiazide diuretic.
  • Initial combination therapy should consist of a thiazide diuretic (in most cases) in combination with an ACE inhibitor or beta blocker.


1950s: from elements of thio- + azine + oxide.

For editors and proofreaders

Syllabification: thi·a·zide

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