| 释义 |
impingement
im·pinge I0059900 (ĭm-pĭnj′)v. im·pinged, im·ping·ing, im·ping·es v.intr.1. a. To encroach on or limit something, such as a right: "powerful institutions of government that inhibited free enterprise and impinged on commercial—and by extension private—liberties" (Greg Critser).b. Usage Problem To have an effect or influence: "Any consequence of a change in alleles ... is fair game for natural selection, so long as it impinges on the survival of the responsible allele, relative to its rivals" (Richard Dawkins).2. a. To collide or strike against something: Sound waves impinge on the eardrum.b. To advance over or press upon something: pain caused by a bone impinging upon a nerve.v.tr. To encroach upon; limit: "One of a democratic government's continuing challenges is finding a way to protect ... secrets without impinging the liberties that democracy exists to protect" (Christian Science Monitor).
[Latin impingere : in-, against; see in-2 + pangere, to fasten; see pag- in Indo-European roots.]
im·pinge′ment n.im·ping′er n.Usage Note: The use of impinge meaning "to encroach; trespass," as in Americans dislike any policy that impinges on their liberty, is well established as standard. However, when impinge is used more loosely to mean "to have an effect" the Usage Panel is split. In our 2001 survey, only 47 percent of the Panel found the following sentence to be acceptable: What the recovered diary revealed about the villagers directly impinged on the lives of people living there many years later.Thesaurus| Noun | 1. | impingement - influencing strongly; "they resented the impingement of American values on European culture"encroachment, impactinfluence - causing something without any direct or apparent effort | | 2. | impingement - a sharp collision produced by striking or dashing against somethingimpactioncrash, smash - the act of colliding with something; "his crash through the window"; "the fullback's smash into the defensive line" |
impingementnounAn advance beyond proper or legal limits:encroachment, entrenchment, infringement, intrusion, obtrusion, trespass.Translationsimpingement
impingement[im′pinj·mənt] (engineering) Removal of liquid droplets from a flowing gas or vapor stream by causing it to collide with a baffle plate at high velocity, so that the droplets fall away from the stream. Also known as liquid knockout. impingement
impingement Neurology Compression of a nerve or blood vessel through a constricted space. See Nerve root impingement. impingement (ĭm-pĭnj′mĕnt) 1. Degenerative alteration in a joint in which there is excessive friction between joint tissues. This typically causes limitations in range of motion and the perception of joint pain. 2. An area of periodontal tissue traumatized by the occlusal force of a tooth.3. The unwanted compression of soft tissue between two or more harder, unyielding structures. Patient discussion about impingementQ. what does c4-5 mild central disk bulging impinging upon cervical cord without spinal stenosis or distortion of the cord . mild righ neural foraminal narrowing from uncovertebral joint hypertropy meanA. Well this basically means there is a very small narrowing of the cervical (your neck area) spinal canal (where the spinal cord is), however the narrowing does not cause any damage to the spinal cord, therefore probably does not cause any major symptoms involving the nerves. The c4-5 bulging part refers to the part in between the two cervical vertebras c4 and c5, in which the disc (a part in the spinal cord) is sliding a bit side-ways, but again, it does not seem to be causing any trouble. More discussions about impingementimpingement
Related to impingement: impingement test, nerve impingementSynonyms for impingementnoun an advance beyond proper or legal limitsSynonyms- encroachment
- entrenchment
- infringement
- intrusion
- obtrusion
- trespass
Synonyms for impingementnoun influencing stronglySynonymsRelated Wordsnoun a sharp collision produced by striking or dashing against somethingSynonymsRelated Words |