(a.) Freed from anything that can pollute, as dregs, lees, etc.; refined; purified.
(v. t.) To clear from impurities, as lees, dregs, etc.; to clarify; to purify; to refine.
(v. t.) To free from extraneous or polluting matter; to clear; to purify, as from that which materializes.
(v. i.) To become clear, pure, or free.
(v. i.) To void excrement.
Example Sentences:
(1) Stool weights, defecation frequencies, and transit times in this group are much closer to those of westernized whites than to rural blacks.
(2) Some 300 million women and girls are forced to defecate outside, exposed not only to the risks of disease and bacterial infection, but also harassment and assault by men.
(3) Giant migrating contractions associated with defecation were initiated by the highest dose of vasopressin.
(4) Gastrointestinal transit time, frequency of defecation, stool weight, and stool consistency were studied in 12 subjects who were each given fiber supplements containing wheat bran, psyllium gum, a combination of wheat bran and psyllium gum, or a low-fiber control for 2 weeks.
(5) The authors review the literature and their personal experience about the systematic exploration of defecation disorders by anorectal manometry and colpocystodefecography.
(6) A corresponding improvement in handwashing practices before preparing food was noted, although no improvement was observed for defecation and waste disposal practices.
(7) No significant differences were noted between taurine and control groups, either before or after taurine administration or before or after the step-change in inhibition demand, with respect to defecation in the test chamber, daily fluid consumption, body weight or total responses.
(8) and duration of bloodmeal, defecation and first fed of each stage) had a negative influence.
(9) Records from 20 patients on whom defecography and electromyography were performed simultaneously because of defecation disorders were analyzed.
(10) In the open field PCA groups showed hypoactivity and increased defecation up to 30 days after drug administration.
(11) We already knew that water provision alone couldn’t break the cycle of faecal-oral disease transmission because open defecation, poor hygiene, and poorly built latrines are the main sources of faecal contamination in the environment and water, and the real reasons why diarrhoeal diseases persist despite advances in water provision.
(12) Capsaicin-sensitive afferents may be involved in the initiation of certain forms of reflex defecation, although capsaicin-resistant mechanisms are capable of activating the normal excretory function.
(13) The effect of subdiaphragmatic vagotomy on food intake and defecation was studied in guinea pigs.
(14) During 5 days of reflex training the rats of both strains retained a high level of defecation until the end of the test that pointed at the emotional strain unceasing in spite of the automatization of the reflex.
(15) Almost half of India's 1.25 billion people currently defecate in the open.
(16) This study shows that abnormal defecation dynamics and the severity of constipation are predictors for persistence of chronic constipation and encopresis.
(17) Static anal manometry has proved itself a reliable, reproducible and objective assessment of sphincter function in the investigation of disorders of defecation and continence.
(18) The present experiment investigated the opposite effects of synthetic alpha-MSH and Melatonin on acquisition and extinction of a passive avoidance response (PAR) and on emotionality, as indexed by defecation, in the PA box.
(19) Five to 10 min after the drug administration, the camels at both dosages showed lacrimation, salivation, trembling, restlessness, frequent urination and defecation, followed by diarrhea.
(20) The effect of eating on defecation behaviour was investigated in four 20-30 kg pigs.
Pollutant
Definition:
Example Sentences:
(1) The biggest single source of air pollution is coal-fired power stations and China, with its large population and heavy reliance on coal power, provides $2.3tn of the annual subsidies.
(2) Several studies have found that pollution and climate change disproportionately affect the poor , which means boosting clean energy generation and cutting pollution could also simultaneously reduce global inequality .
(3) The effect of airborne pollution, especially nickel, from Kola has been studied in 10,612 persons who participated in a cardiovascular screening survey in Finnmark in 1974-75.
(4) The mayor of London had said in a Twitter exchange in July that it was a “ludicrous urban myth” that Britain’s premier shopping street was one of the world’s most polluted thoroughfares, saying that the capital’s air quality was “better than Paris and other European cities”.
(5) N-heterocyclic aromatics are environmentally important carcinogenic pollutants produced by incomplete combustion of organic material.
(6) Among environmental pollutants, 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD; dioxin) is one of the most potent tumor promoters and teratogens known.
(7) A grassed roof, solar panels to provide hot water, a small lake to catch rainwater which is then recycled, timber cladding for insulation ... even the pitch and floodlights are "deliberately positioned below the level of the surrounding terrain in order to reduce noise and light pollution for the neighbouring population".
(8) Mineral fibers represent the greatest cause--after cigarette smoke--of respiratory cancer due to air pollutants.
(9) Recognition, evaluation and control of hazards were carried out in a typical case where chromium was the major pollutant.
(10) The UK, France and Germany have been accused of hypocrisy for lobbying behind the scenes to keep outmoded car tests for carbon emissions, but later publicly calling for a European investigation into Volkswagen’s rigging of car air pollution tests .
(11) Under the auspices of the US-USSR agreement for cooperative research in environmental health, Soviet methods for setting and enforcing standards for environmental pollutants were observed.
(12) Results of the determinations indicated that protective leather gloves contained considerable content of chromium, and chromium-free machine oils and lubricants were polluted with chromium's minute quantities as the oils and lubrications were being used.
(13) Study of the environmental pollution (ambient air, drinking water, food and fodder) in southern Ukraine industrial region and study of congenital developmental defects were carried out.
(14) The metabolism of the environmental pollutant and suspected human carcinogen, cyclopenta[cd]pyrene (CPP), was investigated.
(15) A variety of ecological processes are affected and altered by air pollution.
(16) However, indoor air pollution is estimated to have caused or contributed to 99,000 deaths across Europe in 2012, the report states.
(17) Since some genotoxic metals are diffused in the environment and are often sequestered as insoluble precipitates in water sediments and sludges, the introduction of NTA is likely to increase the risk of environmental pollution because of its ability to solubilize and make those metals reactive.
(18) Because surface water pollution appears to be important it is proposed that headwalls and drainage aprons be built around unprotected sources.
(19) Several reports have suggested that staphylococci, and especially Staphylococcus aureus, are useful indicators of pollution of recreational waters.
(20) Reasonable short-term objectives include the reduction of tobacco use (and alcohol abuse), the control of exposure to carcinogens in the workplace, as well as the reduction of air pollution in the general environment.