Synonyms: vasoconstrictive, vasoconstrictor, pressor
Definition: any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugs; maintains or increases blood pressure
Similar words: agent
Definition: an active and efficient cause; capable of producing a certain effect
Usage: their research uncovered new disease agents