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.
Definition of assimilate for English Language Learners. : 1  to learn (something) so that it is fully understood and can be used. : 2  to cause (a person or group) to become part of a different society, country, etc. : 3  to adopt the ways of another culture : to fully become part of a different society, country, etc.