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noun
A class of drugs that inhibit (block) some biological process.
synonym: blocker.
is a specific kind of: medicament, medication, medicinal drug, medicine.
is a broader term that covers: alpha-adrenergic blocker, alpha-adrenergic blocking agent, alpha-blocker, alpha blocker | beta-adrenergic blocker, beta-adrenergic blocking agent, beta-blocking agent, beta blocker | labetalol, labetalol hydrochloride, Normodyne, Trandate | neuromuscular blocking agent.
derivation: block.
Find more on blocking agent elsewhere: etymology - rhymes - Wikipedia.
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