noun
an antihypertensive drug (trade name Apresoline) that dilates blood vessels; used (often with a diuretic) to treat hypertension and congestive heart failure
• Syn: ↑Apresoline
• Hypernyms: ↑antihypertensive, ↑antihypertensive drug, ↑vasodilator, ↑vasodilative
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\\hīˈdraləˌzēn, -_zə̇n\ noun (-s)Etymology: probably from hydr- + phthalazine
: a crystalline base C8H5N2NHNH2 used in the treatment of hypertension; 1-hydrazino-phthalazine
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/huy dral"euh zeen'/, n. Pharm.
a white crystalline powder, C8H8N4, that dilates blood vessels and is used in the treatment of hypertension.
Useful english dictionary. 2012.