blocking agent
Noun
Meaning
a class of drugs that inhibit (block) some biological process
Source: WordNetSynonyms
Antonyms
Hypernyms
Hyponyms
beta blocker
labetalol
alpha blocker
beta-blocking agent
beta-adrenergic blocker
beta-adrenergic blocking agent
Examples
Laughter serves as a blocking agent. Like a bullet-proof vest, it may help protect you against the ravages of negative emotions that can assault you in disease.