(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.
Standpipe
Definition:
(n.) A vertical pipe, open at the top, between a hydrant and a reservoir, to equalize the flow of water; also, a large vertical pipe, near a pumping engine, into which water is forced up, so as to give it sufficient head to rise to the required level at a distance.
(n.) A supply pipe of sufficient elevation to enable the water to flow into the boiler, notwithstanding the pressure of the steam.
Example Sentences:
(1) Despite the news that river levels are as low as they were during 1976 drought, Johnson claimed there would not be a repeat of people queuing for standpipes in the street.
(2) Six other settlements in the valley, all provided with limited piped water from public standpipes, served as the comparison area.
(3) The presence of a standpipe in the compound was associated with a reduction in diarrhoea morbidity of 56%.
(4) Irrigation is achieved with old-fashioned water pumps – more fun than standpipes – around which residents might gather.
(5) The chalk aquifers of southern England are already one of the most water-stressed regions in the developed world, and we are lucky the last drought ended just in time for the London Olympics, as we were months away from standpipes.
(6) In some areas, supplies to homes were turned off and water was delivered by lorries or public standpipes in streets.
(7) The effect of presence of faeces, animals, and standpipe on the incidence of diarrhoea was not dependent on whether or not mothers were literate.
(8) Gavin McHale, the head of operations at Veolia Water Southeast, urged customers to do everything they could to save water, but stressed there was no likelihood of standpipes being needed.
(9) On the other hand, only 55% of rural inhabitants had access to either piped water or public standpipes.
(10) Standpipes might be needed in the streets in parts of England next year if the country has its third dry winter in a row, the environment secretary has warned.
(11) There is a small standpipe for water and a few temporary toilets have been placed outside.
(12) Back in the north, where I grew up, the standpipes made their appearance, one per 20 houses, but not for more than a month and (allowing for the pink effect of spectacles looking back 30 years) to an encouraging revival of friendships.
(13) Water from standpipes is sold at extortionate prices by landlords in league with local politicians and bureaucrats.
(14) Over the same period in villages served by a standpipe system the incidence fell only very slightly, from 16.5% to 14%.
(15) Furthermore, after the widespread use of antischistosomal drugs, no increase in the prevalence of infection was observed over 4 years in villages with a standpipe water supply, laundries and showers.
(16) Then, as light comes, the silence is broken: water splashes into a bucket held under a standpipe by a child, a pressure cooker wails, someone laughs.
(17) Jon Henley Photograph: Jon Henley For 13 months there was no water, but a campaign by the women persuaded the Gerakas town hall to fit a standpipe in May last year.
(18) Nearby comparison settlements, in the same valley, were provided with water through a public standpipe system.
(19) But she told the BBC's Inside Out programme, to be screened on Wednesday night : "Whereas it's most unlikely we would have standpipes this year, if we have another dry winter that becomes more likely."
(20) The stretched sac was then permitted to contract and to expel its contents through "aortic valvar" orifices of various severities of stenosis, into an aortic standpipe of selected diameters (compliances).