deceleration

deceleration
1. The act of decelerating. 2. The rate of decrease in velocity per unit of time.
- early d. slowing of the fetal heart rate early in the uterine contraction phase, denoting compression of the fetal head.
- late d. any transient fetal bradycardia, the nadir of which occurs after the peak of the uterine contraction. This may represent uteroplacental insufficiency.
- variable d. transient fetal bradycardia usually denoting compression of the umbilical cord, which may occur at any time in relation to a uterine contraction.

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de·cel·er·a·tion (de-selґər-a″shən) decrease in speed or rate.

Medical dictionary. 2011.

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  • décélération — [ deselerasjɔ̃ ] n. f. • 1910; de dé et (ac)célération ♦ Accélération négative d un mouvement, réduction de la vitesse d un mobile. « moi, dans la masse humaine compacte qui oscille au gré des accélérations et décélérations du train » (Tournier) …   Encyclopédie Universelle

  • deceleration — n. a decrease in velocity. Opposite of {acceleration} Syn: slowing, retardation. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • deceleration — 1894, originally in railroading, coined from de do the opposite of (see DE (Cf. de )) + (ac)celeration. Verily deceleration is a word which could only be coined by the Great Western. [ Engineering, Feb. 2, 1894] …   Etymology dictionary

  • deceleration — index decrease, delay Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • deceleration — noun /dɪˌsɛləˈɹeɪʃən/ a) The act or process of decelerating. The rocket is now in deceleration. b) The amount by which a speed or velocity decreases (and so a scalar quantity or a vector quantity). The brakes produce a deceleration of 10 metres… …   Wiktionary

  • deceleration — decelerate UK US /ˌdiːˈseləreɪt/ verb [I ] ► to become slower: »Economic growth has decelerated from 4.5% in the first quarter to 3% in the second. »The report stated that the rise in house prices was decelerating. → Compare ACCELERATE(Cf.… …   Financial and business terms

  • deceleration — lėtinimas statusas T sritis automatika atitikmenys: angl. deceleration vok. negative Beschleunigung, f rus. замедление, n; отрицательное ускорение, n pranc. décélération, f; ralentissement, m …   Automatikos terminų žodynas

  • décélération — lėtinimas statusas T sritis automatika atitikmenys: angl. deceleration vok. negative Beschleunigung, f rus. замедление, n; отрицательное ускорение, n pranc. décélération, f; ralentissement, m …   Automatikos terminų žodynas

  • deceleration — lėtėjimas statusas T sritis fizika atitikmenys: angl. deceleration vok. Verlangsamung, f rus. замедление, n; замедление движения, n pranc. décélération, f …   Fizikos terminų žodynas

  • décélération — lėtėjimas statusas T sritis fizika atitikmenys: angl. deceleration vok. Verlangsamung, f rus. замедление, n; замедление движения, n pranc. décélération, f …   Fizikos terminų žodynas

  • deceleration — noun 1. a decrease in rate of change (Freq. 2) the deceleration of the arms race • Syn: ↑slowing, ↑retardation • Ant: ↑acceleration • Derivationally related forms: ↑ …   Useful english dictionary

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