(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.
Erode
Definition:
(v. t.) To eat into or away; to corrode; as, canker erodes the flesh.
Example Sentences:
(1) Dietary factors affect intestinal P450s markedly--iron restriction rapidly decreased intestinal P450 to beneath detectable values; selenium deficiency acted similarly but was less effective; Brussels sprouts increased intestinal AHH activity 9.8-fold, ECOD activity 3.2-fold, and P450 1.9-fold; fried meat and dietary fat significantly increased intestinal EROD activity; a vitamin A-deficient diet increased, and a vitamin A-rich diet decreased intestinal P450 activities; and excess cholesterol in the diet increased intestinal P450 activity.
(2) The inner table of the skull over the lesion was eroded.
(3) Trabecular bone volume, osteoid amount, and eroded surfaces were measured.
(4) An equal increase in the number of eroded joints in hands and toes was seen in the penicillamine and the gold group.
(5) Whereas a simple tympanoplasty could cure a localized pearl, typically anterosuperior in the mesotympanum, the stapes is fast eroded (7 cases) if progression goes on.
(6) The eroded and now enlarged lacunar surfaces were lined by newly formed bone and osteoblasts.
(7) Treatment with I3C resulted in a 3-fold increase in ethoxyresorufine-O-deethylase (Erod) activity and a 2-fold increase in ethoxycoumarine-O-deethylase (Etco) activity.
(8) Enlargement in an adjacent conjugating foramen forms a tumour which may narrow the spinal canal (1 case diagnosed by CAT) or erode the vertebral body, so compromising the spinal support.
(9) October 23, 2013 And on unemployment: The recent reduction in the unemployment rate [to 7.7%] indicated that slack in the economy was, as anticipated, being eroded as activity picked up.
(10) But surely all this short-form writing is eroding literacy?
(11) For me, this is what needs to change - we need a cultural shift in our attitudes and behaviours and that needs to see all of us standing up and calling out harassment and misogyny, whether it is in the street or the workplace, to erode that normalisation that makes perpetrators feel safe doing it again and again.
(12) Chromatographic fractionation of the RXM indicated that there exist at least four different 13C acid-condensation products in the RXM with the ability to induce EROD.
(13) And indeed, Tony Abbott’s new pension plan, to save $2.4bn over two years and an undisclosed sum beyond that by reversing a Howard government decision that allowed quite wealthy retirees to claim a part-pension, is much fairer than last year’s plan to erode the value of all pensions over time.
(14) In the austerity programme that followed the financial crisis, state support for those at the bottom of society has been eroded.
(15) How about the executive chairman of the company whose software has been crucial in eroding the Canadian company's position in the consumer market?
(16) Backed by the British government, it was controversial among many campaigners in the UK and Europe , because it was seen a template for how multinational businesses wish to erode national regulations in favour of a more unfettered market access.
(17) An unusual post-coarctation mycotic aortic aneurysm that had eroded into the left main stem bronchus was identified and replaced with a Dacron graft.
(18) On the contrary, inactive joints by repeated scanning never eroded.
(19) At operation, the tumour was found to have eroded the stapes.
(20) As low interest rates erode the value of people's hard-earned savings, I would also like to see the chancellor allowing higher ISA limits, so that at least any meagre interest people do earn on their savings will not be taxed as well.