| 单词 | constriction |
| 释义 | constriction (once / 13206 pages) n A constriction is a tight squeeze. If you have asthma, you know that the constriction of the airways makes it hard to breathe. If you’re a snake, you know that the constriction of a mouse makes a good dinner. The word constriction comes from the Latin constringere for "compress," which is what constrictions do. If a hose is running and you squeeze it in the middle, that constriction cuts off the flow. A highway that goes from four lanes to one causes a constriction, or bottleneck. A constriction can also be a tight feeling in your body. If you’re afraid there’s a boa constrictor under your bed, you might feel a constriction in your chest. WORD FAMILYconstriction: constrictions+/constrict: constricted, constricting, constriction, constrictive, constrictor, constricts/constricted: unconstricted/constrictor: constrictors USAGE EXAMPLESBut there has been perhaps no greater casualty to the constrictions of blockbuster-centric Hollywood than comedy. Washington Times(Oct 18, 2016) Constriction points are located along the general migration route, and the Big Belts is one of those areas. Seattle Times(Oct 08, 2016) I felt the constriction in my throat and I knew that I was about to sob. New York Times(Apr 04, 2016) 1n a narrowing that reduces the flow through a channel Syn|Hyper bottleneck, chokepoint narrowing an instance of becoming narrow 2n the action or process of compressing Hypo|Hyper spasm (pathology) sudden constriction of a hollow organ (as a blood vessel) squeezethe act of forcing yourself (or being forced) into or through a restricted space strangulation(pathology) constriction of a body part so as to cut off the flow of blood or other fluid vasoconstrictiondecrease in the diameter of blood vessels bronchospasma spasm of the bronchi that makes exhalation difficult and noisy; associated with asthma and bronchitis cardiospasma spasm of the cardiac sphincter (between the esophagus and the stomach); if the cardiac sphincter does not relax during swallowing the passage of food into the stomach is obstructed heave, retchan involuntary spasm of ineffectual vomiting laryngismuslaryngeal spasm caused by the sudden contraction of laryngeal muscles compressing, compression applying pressure 3n tight or narrow compression Syn|Hyper coarctation compression, condensation, contraction the process or result of becoming smaller or pressed together 4n a tight feeling in some part of the body he felt a constriction in her chest emotion caused a constriction of his throat Syn|Hyper tightness feeling a physical sensation that you experience |
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