(v. i.) To pass gradually from a sound, prosperous, or perfect state, to one of imperfection, adversity, or dissolution; to waste away; to decline; to fail; to become weak, corrupt, or disintegrated; to rot; to perish; as, a tree decays; fortunes decay; hopes decay.
(v. t.) To cause to decay; to impair.
(v. t.) To destroy.
(n.) Gradual failure of health, strength, soundness, prosperity, or of any species of excellence or perfection; tendency toward dissolution or extinction; corruption; rottenness; decline; deterioration; as, the decay of the body; the decay of virtue; the decay of the Roman empire; a castle in decay.
(n.) Destruction; death.
(n.) Cause of decay.
Example Sentences:
(1) Q In radioactive decay, different materials decay at different rates, giving different half lives.
(2) 4) Parents imagined that fruit drinks, carbonated beverages and beverages with lactic acid promoted tooth decay.
(3) In the absence of prostigmine, increasing the concentration of ACh in the synaptic cleft did not change the time constant for decay of end-plate currents.
(4) The kinetics of bimolecular decay of alpha-tocopheroxyl free radicals (T) was studied by ESR mainly in ethanol and heptanol solvents.
(5) For those synapses that were close to the soma the time constant for decay for the non-NMDA component, which was voltage insensitive, ranged from 4-8 ms. 7.
(6) In analyzing the results with any regimen it is important to have long follow-up since late relapses do occur and initial very positive results tend to decay with greater numbers of patients treated.
(7) In one normal ear, ten noise trauma ears, 11 Meniere disease ears, and 24 eighth nerve lesion ears to reflexes or reflex decay that were suggestive or retrocochlear lesions were observed.
(8) Biochemical, molecular, and immunohistologic studies have identified membrane cofactor protein (MCP) and decay accelerating factor (DAF) on trophoblast cells, which could assist in preventing lysis of the cells by complement-activating maternal antibodies.
(9) It has been 40 years since the first community in the United States added a regulated amount of fluoride to its public water supply to prevent tooth decay.
(10) This could reflect the existence of a parallel set of synapses with fast decay that serve as a shortterm store.
(11) However, clemastine caused a decay in subjects' performance in both Experiments I and II, but only on the tracking task.
(12) The nylon group had the second highest amount of induced WTR cylinder at one day, which had decayed to ATR cylinder by five months.
(13) The observed signals from germinating seeds of Phaseolus aures and decaying leaves of Eucalyptus are presented to show that the signals have characteristic kinetics and intensity.
(14) We develop an analogy between the steric hindrance among receptors detecting randomly placed haptens and the temporary locking of a Geiger counter that has detected a radioactive decay.
(15) Left ventricular relaxation rate was measured by calculation of a time constant of left ventricular pressure decay (T) derived from an exponential curve fit to the digitized tip-micromanometer left ventricular pressure signal.
(16) Factors increasing presynaptic activity (frequency or number of afferent stimulations) during the induction event did not affect the relative amount of LTP decay.
(17) Inhibitor activity decayed with time after radiation (2 Gy) with no activity detected at 6 h even though the cells remained in G2 phase, suggesting that either synthesis or activation of additional components is necessary for recovery from G2 arrest.
(18) These results are consistent with the previous observation in HTC cells that the decay rate of ODC activity in the presence of cycloheximide correlated well with the proportion of ODC present as a complex with antizyme, suggesting the ubiquitous role of antizyme in ODC degradation.
(19) The outward current decays exponentially with an early and late phase.
(20) The decay of acid soluble radioactivity was similar in the two groups, although protein synthesis was lowered by vitamin A deficiency.
Deteriorate
Definition:
(v. t.) To make worse; to make inferior in quality or value; to impair; as, to deteriorate the mind.
(v. i.) To grow worse; to be impaired in quality; to degenerate.
Example Sentences:
(1) It is followed by rapid neurobehavioral deterioration in late infancy or early childhood, a developmental arrest, plateauing, and then either a course of retarded development or continued deterioration.
(2) Hypertensive disorders in pregnancy are frequently accompanied by deteriorated renal functions and by pathological lesions in the glomeruli.
(3) A remarkable deterioration of prognosis with increasing age rises the question whether treatment with cytotoxic drugs should be tried in patients more than 60 years old.
(4) "There is … a risk that the political, trade, and gas frictions with Russia could lead to strong deterioration in economic relations between the two countries, with a significant drop in Ukraine's exports to and imports from Russia.
(5) This suggests that there was a deterioration of the vasoconstrictor response and indicated a possible effect of heat at the receptor or effector level.
(6) Four patients had previously been diverted and the other six were reconstructed because of intractable incontinence or deteriorating renal function.
(7) Finally, these cases support the existence of a therapeutic upper limit for desipramine plasma concentrations, above which clinical deterioration occurs.
(8) In view of the high mortality every clinical deterioration of patients with cirrhosis should alert the physician of the presence of SBP.
(9) The authors present a boy with a sudden onset a large intracranial hematoma causing rapid neurologic deterioration.
(10) The data suggest late hemodynamic deterioration after 48 hours of IABC.
(11) Aspartylglycosaminuria (AGU) is a hereditary metabolic disorder characterized by slowly progressive mental deterioration from infancy, urinary excretion of large amounts of aspartylglycosamine, and decreased activity of the lysosomal enzyme aspartylglcosamine amido hydrolase in various body tissues and fluids.
(12) The dilemma focuses on whether the obliteration or removal of the cystic areas will benefit or cause further deterioration of the patient's condition.
(13) Bacteriuria was not associated with deteriorating renal function determined by serial plasma creatinine estimations.
(14) The deteriorating situation would worsen if ministers pressed ahead with another controversial Lansley policy – that of abolishing the cap on the amount of income semi-independent foundation trust hospitals can make by treating private patients.
(15) During a postoperative follow-up period of 1 to 3 years, no further deterioration has been observed and magnetic resonance studies have demonstrated a space filled with cerebrospinal fluid (CSF) around the lumbosacral cord.
(16) Use of sunglasses that block all ultraviolet radiation and severely attenuate high-energy visible radiation will slow the pace of ocular deterioration and delay the onset of age-related disease, thereby reducing its prevalence.
(17) Sechin warned the west earlier this week that expanding sanctions over Russia's annexation of Ukraine's Crimea region would only make the political situation deteriorate further, according to Reuters.
(18) Rates of clinical deterioration and frequencies of attacks were not significantly different between treated and control groups.
(19) In a follow-up of 17 HIV-positive subjects, nine presented deteriorated reflexes in the tests and higher IgG immune complex levels.
(20) However, these good results deteriorated on longer follow-up and were not expected to be permanent.