Library / English Dictionary |
BLOCKER
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
A class of drugs that inhibit (block) some biological process
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 play
Classified under:
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))
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)