calcium-channel_blocker
1. [ noun ] (medicine,pharmacology) any of a class of drugs that block the flow of the electrolyte calcium (either in nerve cell conduction or smooth muscle contraction (of the heart)); has been used in the treatment of angina or arrhythmia or hypertension or migraine
Synonyms: calcium_blocker
Related terms: medicine verapamil nifedipine diltiazem