As nouns,
labetalol hydrochloride is a hyponym of
blocker; that is,
labetalol hydrochloride is a
word with a more specific, narrower meaning than
blocker:
- blocker: a class of drugs that inhibit (block) some biological process
- labetalol hydrochloride: 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)
Other hyponyms of blocker include
alpha-adrenergic blocker,
alpha-adrenergic blocking agent,
alpha-blocker,
alpha blocker,
beta-adrenergic blocker,
beta-adrenergic blocking agent,
beta-blocking agent,
beta blocker,
labetalol,
Normodyne,
Trandate,
neuromuscular blocking agent.