Etymology: L, vas + constrigere, to tighten. a decrease in the diameter of a blood vessel. It plays an important role in the control of blood pressure and the distribution of blood throughout the body. Vasoconstriction is triggered by stimulation of the vasomotor constriction center in the medulla.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  typify(Verb) To embody, exemplify; to represent by an image, form, model, or resemblance. 2  typify(Verb) To portray stereotypically. 3  typify(Verb) To serve as a typical or reference specimen.
Speakers amplify, or raise, the volume of the noise coming through a microphone so that everyone at the rock show can hear. Amplify comes from the Old French word amplifier meaning to enlarge or expand. It refers to making a sound âexpand,â but it can also crank up something like a disagreement â if you spread rumors, you might amplify an argument.