• noun
• synonym
• antonym

• alpha-adrenergic blocker (noun)
  1. any of various drugs that block alpha-adrenergic receptors; used in treating benign prostatic hyperplasia; relaxes the muscles of the prostate and bladder
• alpha-blocker (noun)
  1. any of various drugs that block alpha-adrenergic receptors; used in treating benign prostatic hyperplasia; relaxes the muscles of the prostate and bladder
• beta blocker (noun)
  1. any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system
• beta blocker eyedrop (noun)
  1. a treatment for glaucoma; the eyedrops reduce intraocular pressure by reducing the production of aqueous humour
• beta-adrenergic blocker (noun)
  1. any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system
• beta-blocker (noun)
  1. a drug used to help prevent HEART ATTACK s
• calcium blocker (noun)
  1. either in nerve cell conduction or smooth muscle contraction of the heart any of a class of drugs that block the flow of the electrolyte calcium ; has been used in the treatment of angina or arrhythmia or hypertension or migraine
• calcium-channel blocker (noun)
  1. either in nerve cell conduction or smooth muscle contraction of the heart any of a class of drugs that block the flow of the electrolyte calcium ; has been used in the treatment of angina or arrhythmia or hypertension or migraine
• histamine blocker (noun)
  1. a medicine used to treat the gastric effects of histamine in cases of peptic ulcers and gastritis and gastroesophageal reflux; works by blocking the effects of histamine on the receptor site known as H2
• sun blocker (noun)
  1. as PABA a cream spread on the skin; contains a chemical to filter out ultraviolet light and so protect from sunburn
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