What is the difference between constriction and contraction?

As nouns the difference between constriction and contraction is that constriction is the act of constricting, the state of being constricted, or something that constricts while contraction is a reversible reduction in size.Click to see full answer. Similarly, it is asked, is contract and constrict the same? As verbs the difference between constrict and contract is that constrict is to narrow, especially by applying pressure while contract is (ambitransitive) to draw together or nearer; to shorten, narrow, or lessen.Secondly, what does constrictive mean? To make smaller or narrower by binding or squeezing. 2. To squeeze or compress. 3. To restrict the scope or freedom of; cramp: lives constricted by poverty. Simply so, what is the difference between constriction and dilation? Constriction and dilation are opposite, but related, processes in the body. Whereas dilation is an opening or widening of a structure or passageway to increase material flow, constriction leads to a decrease in material flow by closing the passage.What is a contraction medical? English Language Learners Definition of contraction : the act or process of making something smaller or of becoming smaller. medical : a movement of a muscle that causes it to become tight and that is sometimes painful especially : a movement of muscles in the womb when a woman is giving birth to a child.