narrowing

(of a leaf shape) narrowing to a slender point

any of several vasoconstrictor substances (trade name Hypertensin) that cause narrowing of blood vessels

n any of several vasoconstrictor substances (trade name Hypertensin) that cause narrowing of blood vessels

a stage of arteriosclerosis involving fatty deposits (atheromas) inside the arterial walls, thus narrowing the arteries

n a narrowing that reduces the flow through a channel n the narrow part of a bottle near the top v slow down or impede by creating an obstruction v become narrow, like a bottleneck