(v. t.) To draw or let out wholly; to drain off completely; as, to exhaust the water of a well; the moisture of the earth is exhausted by evaporation.
(v. t.) To empty by drawing or letting out the contents; as, to exhaust a well, or a treasury.
(v. t.) To drain, metaphorically; to use or expend wholly, or till the supply comes to an end; to deprive wholly of strength; to use up; to weary or tire out; to wear out; as, to exhaust one's strength, patience, or resources.
(v. t.) To bring out or develop completely; to discuss thoroughly; as, to exhaust a subject.
(v. t.) To subject to the action of various solvents in order to remove all soluble substances or extractives; as, to exhaust a drug successively with water, alcohol, and ether.
(a.) Drained; exhausted; having expended or lost its energy.
(a.) Pertaining to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work.
(n.) The steam let out of a cylinder after it has done its work there.
(n.) The foul air let out of a room through a register or pipe provided for the purpose.
Example Sentences:
(1) Peak Expiratory Flow and Forced Expiratory Mean Flows in the ranges 0-25%, 25-50% and 50-75% of Forced Vital Capacity were significantly reduced in animals exposed to gasoline exhaust fumes, whereas the group exposed to ethanol exhaust fumes did not differ from the control group.
(2) The use of functional test with the ACTH administration demonstrated organic affection of the CNS to sharply aggravate the weakening and even the exhaustion of the functional reserves of the glomerular and the reticular zones of the adrenal cortex developing during thyrotoxicosis, and also the reserve possibilities of the sympathico-adrenal system.
(3) Administration of one of the precursors of noradrenaline l-DOPA not only prevented the decrease in tissue noradrenaline content in myocardium, but restored completely its reserves, exhausted by electrostimulation of the aortic arch.
(4) Respiratory muscle endurance at a given level of load was assessed from the time of exhaustion and from the time course of the change in the power spectrum (centroid frequency) of the diaphragm electromyogram (EMG).
(5) 9 Women performed plantarflexion and dorsalflexion with maximum strength and at constant load of 60% MVC to exhaustion.
(6) The results suggest that, in PMA-stimulated neutrophils, cytosolic activation factors may be consumed or exhausted with an increasing period of time after the stimulation of neutrophils, and that the affinity of PMA-stimulated neutrophil NADPH oxidase to NADPH may almost be the same as that of control neutrophil oxidase.
(7) During heavy exercise at 65-75% of VO2 max, time till exhaustion correlates with the pre-exercise muscle glycogen concentration and exhaustion coincides with empty glycogen stores.
(8) Glycogen content of the rabbit vastus lateralis muscle was also significantly depleted after exhaustive, intermittent exercise.
(9) Currently, entitlement to CTC for families with one to three children is fully exhausted when gross household earnings reach about £26,000 and £40,000 a year respectively.
(10) Pseudomonas aeruginosa PAO and 15 other strains of this species synthesized a polyester with 3-hydroxydecanoate as the main constituent (55 to 76 mol%) if the cells were cultivated in the presence of gluconate and if the nitrogen source was exhausted; 3-hydroxyhexanoate, 3-hydroxyoctanoate, and 3-hydroxydodecanoate were minor constituents of the polymer.
(11) It is concluded that acute intravenous injections of AVT augment the LH-releasing activity of LRH; chronic treatment for 48 h, however, with LRH + AVT leads to a significant depression of plasma LH perhaps due to an exhaustion of the releasable pool of LH in the anterior pituitary.
(12) On exhaustion of NADH, with residual oxygen, decay occurs in two phases to give a form in which haem b and flavin are oxidized.
(13) Their lipid metabolism did not seem to be affected at least partially by NO3- exhaustion.
(14) She was so exhausted from her trip to London she said she might stay there for 48 hours.
(15) Are we moving from a culture where MPs stayed in parliament until booted out, to one where many do five years and move on, frustrated and exhausted?
(16) The effect of various fuel additives on the ability of platinum-palladium catalytic converters to remove the carbon monoxide and hydrocarbon components of automotive exhaust has been examined.
(17) Regional functional recovery following 2-minute CO was examined under two different conditions in eight dogs: patent coronary artery stenosis and fixed CSS that exhausted coronary reserve but did not cause a deficit in resting coronary flow or regional function.
(18) The reduction in the mechanical clearance in adult humans caused by exposure to high concentrations of diesel exhaust was found to be much less than that observed in rats.
(19) A timed sprint to exhaustion was performed after 45 min of exercise at 70% of VO2max, and a Wingate anaerobic test was used to measure total work and peak power.
(20) Oxygenator exhaust capnographic measurements systematically underestimated PaCO2 measured by a bench blood gas analyzer.
Fatigue
Definition:
(n.) Weariness from bodily labor or mental exertion; lassitude or exhaustion of strength.
(n.) The cause of weariness; labor; toil; as, the fatigues of war.
(n.) The weakening of a metal when subjected to repeated vibrations or strains.
(n.) To weary with labor or any bodily or mental exertion; to harass with toil; to exhaust the strength or endurance of; to tire.
Example Sentences:
(1) The femoral component, made of Tivanium with titanium mesh attached to it by a new process called diffusion bonding, retains superalloy fatigue strength characteristics.
(2) For assessment of clinical status, investigators must rely on the use of standardized instruments for patient self-reporting of fatigue, mood disturbance, functional status, sleep disorder, global well-being, and pain.
(3) Results were inconsistent with both the feature detector fatigue and response bias hypothesis.
(4) A positive association was observed between the prevalence of fatigue, mild abdominal pain, and arthralgia and the blood lead (PbB), urinary lead (PbU), and zinc protoporphyrin (ZPP) levels.
(5) Hyperprolactinemia, hypogonadotropinism, and subnormal plasma testosterone were found in a 65-year-old patient who had an enlarged sella turcica, complained of fatigue, and addmitted to decreased sexual interest and potency.
(6) The average IEMG of the muscles in the relaxation phase of contraction remained unaltered by fatigue, while a marked deleterious change in the relaxation-time variables (p less than 0.001) occurred concomitantly.
(7) A 1-min test of repeated maximal contractions was administered to examine muscular fatiguability before and after training.
(8) In addition to the fatigue tester and the pulse duplicator, a signal conditioner, a DC amplifier, an analog-to-digital converter, and a digital microcomputer comprised the essential hardware.
(9) Fatigue developed significantly faster with contractions of short duration, and the energy cost was higher.
(10) For cancer patients, fatigue is a disturbing symptom caused by many factors.
(11) Study of the clinical characteristics of depressive state by hemisphere stroke with the use of symptom items of Zung scale and Hamilton scale showed that patients in depressive state with right hemisphere stroke had high values in symptom items considered close to the essence of endogenous depression such as depressed mood, suicide, diurnal variation, loss of weight, and paranoid symptoms, while patients in depressive state with left hemisphere stroke had high values in symptom items having a nuance of so-called neurotic depression such as psychic anxiety, hypochondriasis, and fatigue.
(12) Disturbances in muscle electrolytes play an important role in the development of muscular fatigue.
(13) The ratio of appearance on the fatigue by mastication was as follows: Type I (0%), Type II (50.0%), Type III (40.0-100%) and Type IV (75.0%).
(14) A 43-year-old lady was hospitalized due to easy fatiguability in the legs during exercise, and for evaluation of an abnormal shadow in the chest X-ray, and hypertension.
(15) Sleep disturbance among women and fatigue among males were also significantly associated with experiencing an onset of major depression.
(16) The action of sodium oxybutyrate, phenamine transamine and L-DOPA on the processes of re-establishing the mental and physical performance capacity after fatigue was studied in experiments with rats.
(17) The task used in the study was a stabilometer balance task, and fatigue was induced by walking on a treadmill.
(18) Repeated flashes above a few per second do not so much cause fatigue of the VEPs as reduce or prevent them by a sustained inhibition; large late waves are released as a rebound excitation any time the train of flashes stops or is delayed or sufficiently weakened.
(19) There is much conflicting immunological and viral data about the causes of chronic fatigue syndrome (CFS); some findings support the notion that CFS may be due to one or more immune disorders that have resulted from exposure to an infectious agent.
(20) Increases from baseline rest for both exercise rates were observed in: oxygen uptake, carbon dioxide production, inspiratory flow, minute ventilation, respiratory rate, dyspnea, respiratory effort, and arm fatigue.