(n.) Fine, dry particles of earth or other matter, so comminuted that they may be raised and wafted by the wind; that which is crumbled too minute portions; fine powder; as, clouds of dust; bone dust.
(n.) A single particle of earth or other matter.
(n.) The earth, as the resting place of the dead.
(n.) The earthy remains of bodies once alive; the remains of the human body.
(n.) Figuratively, a worthless thing.
(n.) Figuratively, a low or mean condition.
(n.) Gold dust
(n.) Coined money; cash.
(v. t.) To free from dust; to brush, wipe, or sweep away dust from; as, to dust a table or a floor.
(v. t.) To sprinkle with dust.
(v. t.) To reduce to a fine powder; to levigate.
Example Sentences:
(1) The antigenic composition of an extract of rat dust, as a source of aeroallergens for rat-sensitive individuals, has been investigated and compared to the antigenic composition of rat saliva and urine.
(2) At the end of the dusting period those animals treated with normally charged dust had significantly more chrysotile retained in their lungs than animals exposed to discharged dust.
(3) Differences between mean durations of dust exposure of workers with radiographic signs of lung fibrosis and those without such signs were statistically insignificant.
(4) Where the guanine content was more than or equal to 0.25% in the dry dust, mite numbers were higher than 10 mites per 0.1 g dust in 43 of the 44 samples.
(5) The contents of hexavalent chromium, Cr(VI), in grinding dust were undetectable.
(6) The results of pathohistologic investigations are objectively demonstrated through a chart of morphological traits, thus facilitating the identification of the diagnostical morphological traits caused by different industrial dusts.
(7) A clinical investigation was made between workers exposed to dried sewage sludge dust and age matched controls not exposed.
(8) The median exposure of total dust was well below the Swedish threshold value, and the exposure of mould and bacteria was also low.
(9) Mattress dusts from the beds of 51 asthmatic children with positive skin tests to house dust mite were assayed for Der p I, Fel d I and certain viable fungi.
(10) According to the quantitative analysis between threshold titers of skin test and RAST titers using house dust and HD mites allergens, specific IgE production shall be decreased in the patients over 40 years old.
(11) Both the observance of occupational limit-values for dusts and other harmful materials at the work place, which have effects on the respiration system, and the medical survey of workers with the use of special methods for examination of respiratory system are necessary.
(12) Further, investigation of electrokinetic properties of these dusts by electrophoretic quasielastic light scattering is described.
(13) We have recently demonstrated in vitro a potential biological mechanism which could occur in vivo upon inhaling airborne graon dust, thereby constituting a potential inflammatory insult to the respiratory tracts of grain workers.
(14) After allowance for the fact that regression analyses suggested that the proportion of tremolite in dust was probably 2.5 times higher in Thetford Mines, Quebec, than in Charleston, the results from both matched pair and stratification analyses of tremolite fibre concentrations in lung were almost the same as for chrysotile.
(15) In vitro exposure of macrophages and neutrophils to inorganic dusts can enhance their oxidative metabolism, however the effects of inorganic dust inhalation on lung-inflammatory cell-oxidative metabolism remain unknown.
(16) Fifty asthmatics, candidates for hyposensitization with the house dust mite Dermatophagoides pteronyssinus (Dp), went through a series of allergy tests to evaluate the sensitivity of different organs to Dp.
(17) Specified cytotoxicity and mutagenicity of coal dust extract (mixture of solvent extractions of bituminous coal nitrosated by NaNO2) were investigated because of the association of an excess risk of gastric cancer in coal miners.
(18) History is littered with examples of byelection sensations that soon turned to dust.
(19) Inhalant allergens as mite house dust, animal danders, pollens, molds and food allergens are considered, now, to be the most sensitizing agents.
(20) Water from the reactors that were the source of Sonoda's drink is being used to spray trees to limit the buildup of dust and prevent fires.
Smoke
Definition:
(n.) The visible exhalation, vapor, or substance that escapes, or expelled, from a burning body, especially from burning vegetable matter, as wood, coal, peat, or the like.
(n.) That which resembles smoke; a vapor; a mist.
(n.) Anything unsubstantial, as idle talk.
(n.) The act of smoking, esp. of smoking tobacco; as, to have a smoke.
(n.) To emit smoke; to throw off volatile matter in the form of vapor or exhalation; to reek.
(n.) Hence, to burn; to be kindled; to rage.
(n.) To raise a dust or smoke by rapid motion.
(n.) To draw into the mouth the smoke of tobacco burning in a pipe or in the form of a cigar, cigarette, etc.; to habitually use tobacco in this manner.
(n.) To suffer severely; to be punished.
(v. t.) To apply smoke to; to hang in smoke; to disinfect, to cure, etc., by smoke; as, to smoke or fumigate infected clothing; to smoke beef or hams for preservation.
(v. t.) To fill or scent with smoke; hence, to fill with incense; to perfume.
(v. t.) To smell out; to hunt out; to find out; to detect.
(v. t.) To ridicule to the face; to quiz.
(v. t.) To inhale and puff out the smoke of, as tobacco; to burn or use in smoking; as, to smoke a pipe or a cigar.
(v. t.) To subject to the operation of smoke, for the purpose of annoying or driving out; -- often with out; as, to smoke a woodchuck out of his burrow.
Example Sentences:
(1) The prenatal risk determined by smoking pregnant woman was studied by a fetal electrocardiogram at different gestational ages.
(2) Children of smoking mothers had an 18.0 per cent cumulative incidence of post-infancy wheezing through 10 years of age, compared with 16.2 per cent among children of nonsmoking mothers (risk ratio 1.11, 95% CI: 1.02, 1.21).
(3) They spend about 4.3 minutes of each working hour on a smoking break, the study shows.
(4) No associations were found between sex, body-weight, smoking habits, age, urine volume or urine pH and the O-demethylation of codeine.
(5) A commensurate rise in both smoking and adenocarcinoma has occurred in the Far East where the incidence rate (40%) is twice that of North America or Europe.
(6) In addition, control experiments with naloxone, ethanol, or cigarette smoking alone were performed.
(7) Plasma renin activity (PRA) and aldosterone concentration were measured before and during submaximal exercise in 10 male monozygotic twin pairs who were discordant for smoking.
(8) The results indicated that smoke, as opposed to sham puffs, significantly reduced reports of cigarette craving, and local anesthesia significantly blocked this immediate reduction in craving produced by smoke inhalation.
(9) This study examines the extent to which changes in smoking can account for the decrease in CHD mortality for men and women aged 35-64 years.
(10) However, as all subjects had normal hearing and maximum speech discrimination scores pre-smoking, it can only be concluded that smoking marihuana did not worsen the hearing--the experiments were not designed to see whether it would improve hearing.
(11) Further analysis of these changes according to smoking history, age, preoperative weight, dissection of IMA, and aortic cross-clamp time showed that only IMA dissection affected the postextubation changes in peak expiratory flow rate (p less than 0.0001), whereas the decreases in functional residual capacity and expiratory reserve volume at discharge were affected by IMA dissection (p less than 0.05) and age (p = 0.01).
(12) It has been speculated that these cigarette smoke-induced alterations contribute to the depressed pulmonary defense mechanisms commonly demonstrated in smokers.
(13) We ganged up against the tweed-suited, pipe-smoking brigade.
(14) The history of tobacco production and marketing is sketched, and the literature on chronic diseases related to smoking is summarized for the Pacific region.
(15) Exposure to whole cigarette smoke from reference cigarettes results in the prompt (peak activity is 6 hrs), but fairly weak (similar to 2 fold), induction of murine pulmonary microsomal monooxygenase activity.
(16) The authors compared the prevalence of atopy in 103 patients with lung cancer (a model of mucosal cancer), 51 patients with chronic obstructive pulmonary disease matched for age, sex, and smoking habits with patients with lung cancer, and 102 healthy control subjects.
(17) Possible explanations of the clinical gains include 1) psychological encouragement, 2) improvements of mechanical efficiency, 3) restoration of cardiovascular fitness, thus breaking a vicous circle of dyspnoea, inactivity and worsening dyspnoea, 4) strengthening of the body musculature, thus reducing the proportion of anaerobic work, 5) biochemical adaptations reducing glycolysis in the active tissues, and 6) indirect responses to such factors as group support, with advice on smoking habits, breathing patterns and bronchial hygiene.
(18) There are many factors influencing these students to start smoking.
(19) Adjustment for possible mechanisms correlated with social class (marital status, smoking, time of first antenatal visit) decreased the higher occurrence of low birthweight infants in the low educational groups.
(20) These results suggest that weight change during smoking reduction and cessation may be primarily due to changes in factors other than caloric intake or activity.