Library / English Dictionary

    BLOCKER

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    A class of drugs that inhibit (block) some biological processplay

    Synonyms:

    blocker; blocking agent

    Classified under:

    Nouns denoting man-made objects

    Hypernyms ("blocker" is a kind of...):

    medicament; medication; medicinal drug; medicine ((medicine) something that treats or prevents or alleviates the symptoms of disease)

    Hyponyms (each of the following is a kind of "blocker"):

    alpha-adrenergic blocker; alpha-adrenergic blocking agent; alpha-blocker; alpha blocker (any of various drugs that block alpha-adrenergic receptors; used in treating benign prostatic hyperplasia; relaxes the muscles of the prostate and bladder)

    beta-adrenergic blocker; beta-adrenergic blocking agent; beta-blocking agent; beta blocker (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)

    labetalol; labetalol hydrochloride; Normodyne; Trandate (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))

    neuromuscular blocking agent (a substance that interferes with the neural transmission between motor neurons and skeletal muscles)

    Derivation:

    block (interrupt the normal function of by means of anesthesia)

    Sense 2

    Meaning:

    A football player whose responsibility is to block players attempting to stop an offensive playplay

    Classified under:

    Nouns denoting people

    Hypernyms ("blocker" is a kind of...):

    football player; footballer (an athlete who plays American football)

    Derivation:

    block (impede the movement of (an opponent or a ball))

    Credits

     Context examples: 

    The mechanism of action of isoxsuprine hydrochloride is controversial, because isoxsuprine has beta-adrenergic activities that could not be offset by beta-adrenergic blockers.

    (Isoxsuprine, NCI Thesaurus)

    The mechanism of action of isoxsuprine hydrochloride is controversial because this drug has beta-adrenergic agonist activities that are not reversed by beta-adrenergic blockers.

    (Isoxsuprine Hydrochloride, NCI Thesaurus)

    A synthetic dihydropyridine and a calcium channel blocker with antihypertensive and antianginal properties.

    (Amlodipine, NCI Thesaurus)

    Belongs to a family of drugs called calcium channel blockers.

    (Nimodipine, NCI Dictionary)

    A dihydropyridine derivative and an analogue of the calcium channel blocker nifedipine, with antihypertensive activity.

    (Nimodipine, NCI Thesaurus)

    A dihydropyridine calcium channel blockers with antihypertensive and vasodilator activities.

    (Isradipine, NCI Thesaurus)

    It is a type of alpha blocker.

    (Flomax, NCI Dictionary)

    Doxazosin mesylate is a type of alpha blocker.

    (Doxazosin mesylate, NCI Dictionary)

    Doxazosin is a type of alpha blocker.

    (Doxazosin, NCI Dictionary)

    Cardura is a type of alpha blocker.

    (Cardura, NCI Dictionary)


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