(n.) The scum or refuse matter which is thrown off, or falls from, metals in smelting the ore, or in the process of melting; recrement.
(n.) Rust of metals.
(n.) Waste matter; any worthless matter separated from the better part; leavings; dregs; refuse.
Example Sentences:
(1) We put stuff in there that was not really that good, but fortunately there were a couple of gleaming things that everyone remembers while they've forgotten the dross."
(2) In this region, nutritional deficiencies--a special diet for pregnant women composed of sour pomegranite seeds, black pepper, and garlic; consumption of bread contaminated with silica fibre; and ingestion of opium and opium dross--combined with long-lasting and daily thermal irritation of the esophagus with very hot tea play an important role in the development of this disease.
(3) Trump, who presents himself as a modern Midas even when much of what he touches turns to dross, has studied the conventions of journalists and displays more genius at exploiting them to his advantage than anyone else I have ever known.
(4) I’m going to enjoy being at Mardi Gras and going on that red bus because I can’t walk the distance.” Gary Schliemann, another 78er, says there is a lot of dross in the Mardi Gras parade but a lot of good floats shine through, such as No Pride in Detention.
(5) Even better, the Darwinian fact that these 21 books had remained in print for four decades meant that we did not have to wade through any dross – all our survivors had some merit – and, thanks to the open nature of the competition, I had the perfect opportunity to read several "genre" books I would not otherwise have picked up in a thousand years: the briny Master and Commander by Patrick O'Brian, the aforementioned Bomber , which brilliantly describes the progress of an Allied air raid over 24 hours in the summer of 1943.
(6) Argentina 1-0 Switzerland (Di Maria 118) This game has been dross, but this goal is pure quality!
(7) Hopefully, sickened by the rancid, greedy human dross that runs and ruins our country, we will start to turn, respectfully, in our thousands to dogs, for a while, or even to the exclusion of anything else, because a dog is a flawless innocent.
(8) I'd rather have a career than a blazing penis of Freudian plant matter administered by a hack known for his dashing personal style, but thanks for the metaphor, Ross (aka "Dross").
(9) While that may be, as Palin suggests, because of "a couple of gleaming things that everyone remembers while they've forgotten the dross", it's also because they changed how comedy worked for ever.
(10) Fired up, as ever, with total enthusiasm for the next book, I immediately wrote UoW off as contemptible dross not worth bothering about.
(11) Yes, there were iconic shows from the US like Kojak and The Mary Tyler Moore Show, but these were just well made entertainments at the very tippy-topmost peak of a mound of dross.
(12) Cromwell protested at such "dross and dung", but consented to wear a purple gown and sit on Edward the Confessor's throne in Westminster Hall.
(13) By 1933, Adams was writing in the New York Times of the way the American dream had been hijacked: "Throughout our history, the pure gold of this vision has been heavily alloyed with the dross of materialistic aims.
(14) Having built one or two gems among the dross is hardly exclusive to Derry.
(15) It seems probable that in Iran an initiating carcinogenic factor may be the custom of eating opium dross, which has been shown to be mutagenic, as well as consumption of contaminated bread with extraneous seeds containing a large quantity of silica fibres, which is a strong stimulant of growth.
(16) His fiction was a product of this process, an inner alchemy that turned the dross of senseless suffering into something beautiful and life-affirming.
(17) The variation in CdB levels was not associated with child's age, nutritional status, iron status, family per capita income, blood lead level, being a child of a lead worker, the habit of pica, and contamination of child's peridomiciliar environment by smelter dross.
(18) Funnily enough though, he failed to mention that the academy that he felt was a beacon shining in a world of dross was in fact created by the Labour party.
(19) Pyrolysed substances, opium dross in north-east Iran and tobacco pipe residues in the Transkei, displayed mutagenic activity in Salmonella typhimurium strains TA98 and TA100 in the presence of rat liver microsomes.
(20) 11am: "Now dubbed 'The Battle of Beglin's Ear', last night's game was typical ITV fare: 95% total dross, 5% passable entertainment," harrumphs Justin Spencer.
Impurity
Definition:
(n.) The condition or quality of being impure in any sense; defilement; foulness; adulteration.
(n.) That which is, or which renders anything, impure; foul matter, action, language, etc.; a foreign ingredient.
(n.) Want of ceremonial purity; defilement.
Example Sentences:
(1) Two other impurities are pyrene derivatives but their acyl chains probably are not decanoic acid.
(2) No impurities in the technical grade ether influenced the responses.
(3) The UV and IR absorption spectra of compounds present in the eluate were compared with those of model compounds that were assumed to exist in the gel as impurities after the polymerization (monomers and oligomers of hydroxyethyl methacrylate, decomposition products of initiators).
(4) Chloramphenicol, dinitrophenol, and impurities present in some brands of agar all appear to inhibit the growth-medium-dependent branch of excision-repair.
(5) The combined results describe the depth of segregation of DMS blocks in Avcothane, the presence of DMS within the topmost 20 A in Biomer, and similar impurities in the model polymers.
(6) An impure sample of PLC inhibited sperm penetration, while a more purified preparation did not.
(7) A liquid chromatographic (LC) method was adapted for the determination of epinephrine and related impurities in intravenous and cardiac injections; ultraviolet (UV) and electrochemical detectors (EC) were used in series.
(8) The determination of potency or shelf life, impurity limit testing, and study of reaction mechanisms are considered as different aspects of drug stability.
(9) Isolated cytochrome c oxidase was fractionated by native-gel electrophoresis in Triton X-100, and a preparation of enzyme almost completely free of the usual impurities was recovered.
(10) Although these are worst case calculations, a consistent approach should be reconsidered to limit the additional effective dose equivalent from impurities to e.g.
(11) As little as 50 nmol of a protein may be quantified and an impurity peak of molecular weight ca.
(12) Not all impurities were found in every lot of drug investigated, and none of the impurities exceeded a concentration of 1% of the meperidine present.
(13) Skin impurities and fatty hair associated with acne were side effects in 22.5% of 378 patients during the first evaluation and in 10.8% of 369 patients at the second evaluation.
(14) The organic solvent soluble impurities exhibited strong mutagenic activity for TA98 and slight activity for TA100.
(15) Following this order the absorbents can be used for purification of human albumin from non-specific impurities taking into account stronger adsorption of albumin or impurities.
(16) Trace amounts of an impurity commonly produced in the synthesis of 1,2-distearoyl-3-sn-phosphatidylcholine, 1,3-distearoyl-2-sn-phosphatidylcholine, are found to dramatically reduce the rate of loss of small vesicles at 21 degrees C.
(17) It is shown on the basis of calculations of energy sublevels of the hyperfine structure that the effect of the geomagnetic field upon the impurity atoms in the volume of living cells should be considered in relation to the value of geomagnetic field induction pulses delta B.
(18) Contamination of cells by impurity atoms that may leach from electrodes was measured by atomic-absorption spectrophotometry and found to be negligible.
(19) Results presented here indicate that N-nitroso compound impurities are absent from the majority of the products tested.
(20) Eight of the proteins (L9, L11, L13, L21, L22, L35', L37 and L39) had no detectable contamination; the impurities in the others were no greater than 9%.