What's the difference between dust and rust?

Dust


Definition:

  • (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.

Rust


Definition:

  • (v. i.) To contract rust; to be or become oxidized.
  • (n.) The reddish yellow coating formed on iron when exposed to moist air, consisting of ferric oxide or hydroxide; hence, by extension, any metallic film of corrosion.
  • (n.) A minute mold or fungus forming reddish or rusty spots on the leaves and stems of cereal and other grasses (Trichobasis Rubigo-vera), now usually believed to be a form or condition of the corn mildew (Puccinia graminis). As rust, it has solitary reddish spores; as corn mildew, the spores are double and blackish.
  • (n.) That which resembles rust in appearance or effects.
  • (n.) A composition used in making a rust joint. See Rust joint, below.
  • (n.) Foul matter arising from degeneration; as, rust on salted meat.
  • (n.) Corrosive or injurious accretion or influence.
  • (v. i.) To be affected with the parasitic fungus called rust; also, to acquire a rusty appearance, as plants.
  • (v. i.) To degenerate in idleness; to become dull or impaired by inaction.
  • (v. t.) To cause to contract rust; to corrode with rust; to affect with rust of any kind.
  • (v. t.) To impair by time and inactivity.

Example Sentences:

  • (1) The reasoning in Rust v Sullivan allows government to limit freedom of speech in federally funded programs.
  • (2) Here, abandoned cars don’t just sit and rust, they are swallowed by the jungle.
  • (3) The cause, they claimed, was emissions from the mine's sulphuric acid factory as well as outflow from mountains of rust-red waste, dumped over 15 years with little concern for the environment.
  • (4) The bean rust fungus, Uromyces appendiculatus, undergoes thigmotropic differentiation to produce infection structures.
  • (5) Pain relief is more rapid after electric drill removal; this is probably related to the complete removal of the rust.
  • (6) And no wonder: unemployment in the Garden State is at a 35-year high of 9.8% – the fourth-worst in the nation – and unlike in the Rust Belt states or other hard-hit regions, in Jersey unemployment is still climbing .
  • (7) Hill, who cut an unusual touchline figure in green jacket and rust cords, preferred to praise Wednesday for the quality of their set plays rather than blast his defenders for their inability to defend them.
  • (8) Worse, pests like the berry borer beetle and leaf rust fungus are flourishing as the world warms.
  • (9) The rusted bike was found in a large white container where its owner, Ikuo Yokoyama, had kept it.
  • (10) Mr X invested money into buying old equipment from other abandoned coal mines – this was not difficult because abandoned mines with rusting equipment are not in short supply in North Korea today.
  • (11) This week a beachcomber in British Columbia found a moving crate containing a rusting Harley-Davidson motorcycle registered to Japan's Miyagi prefecture, which absorbed the brunt of the tsunami.
  • (12) One white lump sits beside the rusted-out remains of a bucket.
  • (13) In the glow of the thing's own flame they saw edificial flanks, the concrete and rust of them, the iron of the pylon barnacled, shaggy with benthic growth now lank gelatinous bunting.
  • (14) The Trump vote contained rednecks and inhabitants of the rust belt, just as south Wales and Sunderland turned out for Brexit – but in neither case was that the whole story.
  • (15) The best actress award Last year Marion Cotillard's turn in Jacques Audiard's Rust & Bone , as a waterpark trainer who loses her legs, was beaten to the best actress award by two troubled nuns in Romanian drama Beyond the Hills.
  • (16) Basidiomycetes, a complex and common group of fungi, which include mushrooms, rusts, smuts, brackets, and puffballs, have not been well studied.
  • (17) Naturally, insider accounts suggest electoral calculation : Trump reckoned that the people who put him in the White House, especially blue collar workers in the rust-belt states, have long seen global warming as a con.
  • (18) We cannot let that happen.” “He says he has foreign policy experience because he ran the Miss Universe pageant in Russia,” she said, adding at another point in the speech: “This isn’t reality television, this is actual reality.” Later, Clinton added: “It is not hard to see how a Trump presidency could lead to a global economic crisis.” The former secretary of state’s speech, staged in front of a wall of US flags, rebutted a foreign policy address Trump made in April in which he promised to save “humanity itself” and “shake the rust off America’s foreign policy”.
  • (19) Where other politicians might be accused of dog-whistle politics, Trump was broadcasting at a frequency accessible to all, exploiting the nation’s three biggest weaknesses: rust, race and ignorance.
  • (20) Steel surfaces can be treated with zinc and chromates to prevent the steel from rusting.

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