pressor

increasing (or tending to increase) blood pressure

adj.pert

Source: WordNet 3.0

Causing, or giving rise to, pressure or to an increase of pressure; as, <i>pressor</i> nerve fibers, stimulation of which excites the vasomotor center, thus causing a stronger contraction of the arteries and consequently an increase of the arterial blood pressure; -- opposed to <i>depressor</i>.

adjective

Source: webster1913

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

noun.artifact

Source: WordNet 3.0