vasodilator

English

Etymology

From vaso- +‎ dilator.

Noun

vasodilator (plural vasodilators)

  1. (biochemistry, organic chemistry, pharmacology) A substance that causes dilation of the blood vessels, thereby reducing blood pressure; it may be endogenous (such as a hormone produced by the body) or exogenous (such as a drug or other chemical agent).
    Synonyms: vasodepressor, vasodepressant
    Antonyms: vasoconstrictor, vasopressor
    Hyponym: nitrovasodilator

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