(v. t.) To flow over; to cover woth, or as with, water or other fluid; to spread over; to inundate; to overwhelm.
(v. t.) To flow over the brim of; to fill more than full.
(v. i.) To run over the bounds.
(v. i.) To be superabundant; to abound.
(n.) A flowing over, as of water or other fluid; an inundation.
(n.) That which flows over; a superfluous portion; a superabundance.
(n.) An outlet for the escape of surplus liquid.
Example Sentences:
(1) Corticosterone (4 x 10(-5) M) did not alter the stimulation-evoked 3H-overflow at 1-30 Hz.
(2) Bilateral electromyographic recordings from the biceps brachii and brachialis demonstrated that the amount of excitation overflow in the nonactive limb is between 10 percent and 20 percent of the maximal intensity of activity measured in the exercised limb.
(3) Overflow curves in both regions could be described with similar kinetic parameters except for the Vmax, which in the nucleus accumbens was only 60% of that measured in the caudate-putamen.
(4) The effects of alpha-adrenoceptor agonists and antagonists on the electrically (slices) or potassium-evoked (synaptosomes) tritium overflow were studied.
(5) No difference was found for the inhibition by serotonin and the facilitation by metitepine of the evoked overflow and for the metitepine-induced shift of the concentration-response curve for serotonin to the right.
(6) However, higher doses of diltiazem (60 microM) reduced the tritium overflow elicited by RNS or Vt but enhanced that caused by KCl.
(7) The alpha 2-adrenoceptor agonist clonidine inhibited, whereas the alpha 2-adrenoceptor antagonist rauwolscine facilitated the stimulated overflow of [3H]NA.
(8) In contrast, in synaptosomes superfused with Ca(2+)-free Krebs-Henseleit solution containing 15 mM K+ throughout, ethanol did not affect the tritium overflow evoked by 2 min introduction of 75 microM Ca2+ into the superfusion fluid.
(9) Increased formation of hydroxyl free radicals (.OH) reflected by .OH adduct of salicylate in brain dialysate was demonstrated during the sustained (more than 2 hours) dopamine overflow elicited by 75 nmol of 1-methyl-4-phenyldihydropyridine (MPDP+) and 1-methyl-4-phenylpyridinium (MPP+) in the rat striatum.
(10) At 10 min there was an associated transient minor increase in NA overflow but at 20 and 30 min the overflow of NA, elevated as a result of anoxic perfusion, returned to pre-anoxic levels on the re-introduction of substrate and oxygen.
(11) Cocaine (3 x 10(-6) M) enhanced the 3H-overflow slightly at 1-30 Hz.
(12) The ratio between stimulation-evoked 3H-overflow and spontaneous 3H-outflow was the same for both amines at 3 Hz, while the ratio was higher for 3H-NA at 10 Hz.
(13) In vitro, yohimbine increased K+-stimulated overflow of endogenous NA in a dose-dependent fashion.
(14) In perfused mesenteric vasculatures from spontaneously hypertensive rats (SHR) and normotensive Wistar kyoto rats (WKY), the effects of captopril on the vascular responsiveness and norepinephrine overflow from the adrenergic nerve endings were examined.
(15) Ethanol inhibited the NMDA-evoked tritium overflow in a concentration-dependent manner.
(16) Noradrenaline overflow from and the potassium content of circumflex territory venous effluent was unchanged.
(17) N-methyl-D-aspartate (50-2000 microM) produced a concentration-dependent increase in [3H]norepinephrine overflow from cortical and hippocampal slices with no significant alteration of the response following chronic ethanol treatment.
(18) Exocytotic release: Electrical stimulation of the left stellate ganglion (12 Hz; 1 min) evoked a calcium-dependent overflow of noradrenaline and NPY, that was accompanied by a minor and prolonged increase in DOPEG overflow.
(19) Overflow was detected using chronoamperometry with electrochemically pretreated, Nafion-coated carbon fiber microelectrodes.
(20) Surrey’s fast-growing population, overflowing out of London, needs 13,000 new school places.
Spillway
Definition:
(n.) A sluiceway or passage for superfluous water in a reservoir, to prevent too great pressure on the dam.
Example Sentences:
(1) Dam spillways provide breeding for blackflies and man-made foci of onchocerciasis have been described in West Africa.
(2) The working models, which differed in the size of cervical spillway (2mm and 9mm) and the impression techniques applied (the two-phase technique and the wash technique), were produced by using putty-type impression materials with three different strain levels (Reprosil, Express and Exaflex) following the metal master model of mandibular denture in an abutment form.
(3) 4) Differences in strain levels of putty-type impression materials, the size of cervical spillway and the impression technique used did not influence deviation of the model toward the Y axis (vertical direction).
(4) As a result, water is flowing over the spillway into a downstream water management system,” she said.
(5) The duration of Simulium yahense Vajime & Dunbar larval development on a dam spillway in Harbel, Liberia, was observed to make accurate decisions regarding the frequency of larvicide treatments against this onchocerciasis vector.
(6) twin spillways) and adequate maintenance are essential.
(7) 2) The impression technique incorporating a small cervical spillway resulted in decreases in variations in the distance between the right and left abutment teeth and the diameter of the molar part of the abutment tooth, and the horizontal distortion of the alveolar ridge; the model thus produced was found to be proximate to the master model.
(8) Lake Somerville, one of the Brazos reservoirs, was “gushing uncontrollably” over the spillway, threatening people downriver, he said.