| 释义 |
deceleration
de·cel·er·ate D0070100 (dē-sĕl′ə-rāt′)v. de·cel·er·at·ed, de·cel·er·at·ing, de·cel·er·ates v.tr.1. To decrease the velocity of.2. To slow down the rate of advancement of: measures intended to decelerate the arms buildup.v.intr. To decrease in velocity.
[de- + (ac)celerate.]
de·cel′er·a′tion n.de·cel′er·a′tor n.Thesaurus| Noun | 1. |  deceleration - a decrease in rate of change; "the deceleration of the arms race"retardation, slowingalteration, change, modification - an event that occurs when something passes from one state or phase to another; "the change was intended to increase sales"; "this storm is certainly a change for the worse"; "the neighborhood had undergone few modifications since his last visit years ago"acceleration - an increase in rate of change; "modern science caused an acceleration of cultural change" | | 2. | deceleration - (physics) a rate of decrease in velocitynatural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"rate - a magnitude or frequency relative to a time unit; "they traveled at a rate of 55 miles per hour"; "the rate of change was faster than expected"acceleration - (physics) a rate of increase of velocity | | 3. | deceleration - the act of decelerating; decreasing the speed; "he initiated deceleration by braking"hurrying, speeding, speed - changing location rapidlyspeedup, acceleration, quickening - the act of accelerating; increasing the speed |
Translationsdecelerate (diːˈseləreit) verb to slow down, especially in a car etc. You must decelerate before a crossroads. 使減速 使减速deˌceleˈration noun 減速 减速See deceleration
deceleration
deceleration[dē‚sel·ə′rā·shən] (mechanics) The rate of decrease of speed of a motion. deceleration
deceleration [de-sel″ĕ-ra´shun] the sudden stopping of movement, a frequent mechanism of motion injury. Common causes of injury" >deceleration injury are motor vehicle accidents and falls.early deceleration in fetal heart rate monitoring, a transient decrease in heart rate that coincides with the onset of a uterine contraction.late deceleration in fetal heart rate monitoring, a transient decrease in heart rate occurring at or after the peak of a uterine contraction and resulting from fetal hypoxia.variable d's in fetal heart rate monitoring, a transient series of decelerations in heart rate that vary in duration, intensity, and relation to uterine contractions; they are abrupt in onset and cessation and result from vagus nerve firing in response to stimuli such as umbilical cord compression in the first stage of labor.de·cel·er·a·tion (dē-sel'ĕr-ā'shŭn), 1. The act of decelerating. 2. The rate of decrease in velocity per unit of time. A term referring to the slowing of the foetal heart in response to a reduction in maternal circulationdeceleration Dip Obstetrics A periodic & transient slowing of the fetal heart rate in response to uterine contractions, ie stress. See Fetal heart monitor, Uniform deceleration, Variable deceleration. Deceleration Uniform deceleration The fetal heart response to uterine contractions; UCs are symmetrical, have a uniform temporal relation thereto and are divided into: Early deceleration/Type I dip Due to vagal stimulation elicited in the first stage of labor by fetal head compression Late deceleration/Type II dip Due to uteroplacental insufficiency, potentially associated with a less favorable outcome; may signal early vasomotor lability Variable deceleration The fetal heart response is asynchronous with respect to uterine contractions; the curves on the fetal heart monitor are more angled and saw-toothed, and may be related to compromise in placental blood flow, eg umbilical cord compression and, like late decelerations, may signify parturition-related difficulties de·cel·er·a·tion (dē-sel'ĕr-ā'shŭn) 1. A slowing of contractions during the first stage of labor. 2. A slowing of the fetal heart rate during uterine contractions. [de- + acceleration]DecelerationA decrease in the fetal heart rate that can indicate inadequate blood flow through the placenta.Mentioned in: Antepartum Testingde·cel·er·a·tion (dē-sel'ĕr-ā'shŭn) A slowing of contractions during the first stage of labor. [de- + asceleration]LegalSeeAccelerationSee DECEL
See DECELdeceleration
Related to deceleration: deceleration injury, early decelerationSynonyms for decelerationnoun a decrease in rate of changeSynonymsRelated Words- alteration
- change
- modification
Antonymsnoun (physics) a rate of decrease in velocityRelated Words- natural philosophy
- physics
- rate
Antonymsnoun the act of deceleratingRelated WordsAntonyms- speedup
- acceleration
- quickening
|