1. (noun) antihypertensive drug (trade names Trandate and Normodyne) that blocks alpha and beta-adrenergic receptors of the sympathetic nervous system (leading to a decrease in blood pressure)

• labetalol
• labetalol hydrochloride
• normodyne

1. (noun) antihypertensive drug (trade names Trandate and Normodyne) that blocks alpha and beta-adrenergic receptors of the sympathetic nervous system (leading to a decrease in blood pressure)

• antihypertensive
• antihypertensive drug
• blocker
• blocking agent