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hydralazine

American  
[hahy-dral-uh-zeen] / haɪˈdræl əˌzin /

noun

Pharmacology.
  1. a white crystalline powder, C 8 H 8 N 4 , that dilates blood vessels and is used in the treatment of hypertension.


Etymology

Origin of hydralazine

First recorded in 1950–55; hydr- 2 + (phth)al(ic) + azine

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Understanding how hydralazine works at the molecular level offers a path toward safer, more selective treatments for pregnancy-related hypertension -- potentially improving outcomes for patients who are at greatest risk."

From Science Daily • Dec. 2, 2025

In a paper published in Science Advances, they uncovered the method of action of hydralazine, and in doing so, revealed an unexpected biological link between hypertensive disorders and brain cancer.

From Science Daily • Dec. 2, 2025

Unlike chemotherapy, which aims to kill all cells outright, hydralazine disrupted that oxygen-sensing loop, triggering cellular "senescence," or a dormant, non-dividing state in glioblastoma cells, effectively pausing growth without triggering further inflammation or resistance.

From Science Daily • Dec. 2, 2025

In one New York City drugstore, a medicine for high blood pressure made by Ciba-Geigy called Apresoline cost $15 per 100 tablets; its generic equivalent, hydralazine, went for $6.95.

From Time Magazine Archive

He was the first patient given hydralazine at the clinic, and remains one of its best testimonials.

From Time Magazine Archive

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