What's the difference between blacken and tarnish?

Blacken


Definition:

  • (v. t.) To make or render black.
  • (v. t.) To make dark; to darken; to cloud.
  • (v. t.) To defame; to sully, as reputation; to make infamous; as, vice blackens the character.
  • (v. i.) To grow black or dark.

Example Sentences:

  • (1) At the end of each session, he is forced to don a pair of blackened goggles, ear muffs are placed over his head, and he is ordered to place the palms of his hands together so that a guard can grasp his thumbs to lead him away.
  • (2) The purpose of the present study was to analyze the influence of various storing principles, film speed, and distance from X-ray source upon the degree of film blackening.
  • (3) Grilled Grill herring with a little oil and salt and the skin will blacken and crisp to reveal a creamy delicious flesh inside.
  • (4) The only reminder of what happened is a small, blackened, crater near the northern part of town, where a rocket laced with a nerve agent fell, killing more than 70 people in one of the worst mass casualty chemical attacks in the six-year war in Syria .
  • (5) People brought flowers, and large piles of roses, lilac, tulips and carnations lay by the blackened doors.
  • (6) Quantitative evaluation of the autoradiographs is achieved by careful calibration of the X-ray film blackening.
  • (7) Addition of xylose (4.0 g) and L-lysine hydrochloride (5.4 g) to the above formulation improved differentiation between Salmonella and the few Citrobacter strains that grew and produced more intense blackening in Salmonella colonies.
  • (8) The Spanish classic arroz negro pays homage to both old country and new: instead of the standard squid ink and fish stock, it’s made with crab bisque and chilmole (the blackened chilli sauce of the Yucatán) and crowned with calamari stuffed with pork scratchings.
  • (9) In animals given the drug alone, there was dermatitis and blackening of the skin and hair, serum glutamic oxalacetic transaminase and serum glutamic pyruvic transaminase enzymes were significantly increased, and liver biopsy revealed diffuse cytoplasmic swelling and granulation of the hepatocytes.
  • (10) Nine screen-film combinations were exposed at 70 to 80 kv., using a 12-pulse generator and Bucky grid till blackening of S = 1 was obtained.
  • (11) The ability to recognise detail related to detail size, film blackening and exposure geometry was studied for various systems, and the quality profiles are discussed.
  • (12) He was knocked to the ground with a rifle butt, which blackened his left eye.
  • (13) 12 patients showed isolated mucosal inflammation, 5 blackish deposits (of impacted soot) and blisters in 6 (with shreds of mucosa hanging loose); the endoscopy was normal in 18; 66% of those with blisters (4 cases out of 6) and 40% with blackened mucosa (2 cases out of 5) were observed in burns from fires.
  • (14) Other anaerobes, Enterobacteriaceae, and enterococci either failed to grow on BBE agar or did not produce the characteristic morphology and blackening associated with isolates of the B. fragilis group.
  • (15) But those crows also gather on the blackened rafters of British-era bungalows, while tanks and artillery pieces on which the wealth of a poor nation was squandered for decades sit rusting on hilltops.
  • (16) Whole-body autoradiography, combined with densitometric measurement of the blackening of the autoradiograms, and liquid scintillation counting were used to determine the levels of radioactivity in the inner ear in relation to blood and other tissues.
  • (17) Another selection strategy performed by the instrument involves growing the cells on a thin, blackened polyester film which can be cut by the argon laser beam.
  • (18) We describe a typical case with photographs demonstrating multiple blackened hyperkeratotic lesions of the palmar aspects of the fingers and palm, some linear, some circular.
  • (19) And yet, comparing British casualty rates with those of France, Germany and Italy, Haig's reputation looks to have been disproportionately blackened.
  • (20) Such inexpensive devices are cost effective alternatives to blackened surgical instruments.

Tarnish


Definition:

  • (a.) To soil, or change the appearance of, especially by an alternation induced by the air, or by dust, or the like; to diminish, dull, or destroy the luster of; to sully; as, to tarnish a metal; to tarnish gilding; to tarnish the purity of color.
  • (v. i.) To lose luster; to become dull; as, gilding will tarnish in a foul air.
  • (n.) The quality or state of being tarnished; stain; soil; blemish.
  • (n.) A thin film on the surface of a metal, usually due to a slight alteration of the original color; as, the steel tarnish in columbite.

Example Sentences:

  • (1) 'Devastated' Peter Greste calls on Egypt's president to pardon trio Read more “It’s ironic that the conviction was for tarnishing Egypt’s reputation when ... this [case] is what’s tarnished Egypt’s image,” Clooney told BBC News.
  • (2) He used the pre-recorded speech to deny accusations of embezzlement, saying: "They aim to tarnish my reputation and discredit my integrity, my stance, my political and military history during which I worked hard for Egypt and its people in peace and war."
  • (3) After heat treatment, the test piece was examined for compressive strength, compressive shrinkage, hardness, tarnishing and difference in phase.
  • (4) It is little wonder therefore that the circumstances around its death immediately prompted Westminster speculation that the announcement had simply been rushed forward from after the Easter recess in order to put some political punch back into the prime minister's tarnished anti-Ukip immigration initiative.
  • (5) Like many in Abbottabad, Abbasi believes the town has been unfairly tarnished by its association with a terrorist mastermind who lived undetected just a short distance from Pakistan's elite military training school.
  • (6) Paris police launch inquiry after Chelsea fans seen abusing black man on film Read more Handing down the orders at Stratford magistrates court on Wednesday, he said it was a racist incident that tarnished English football.
  • (7) And each of these groups is giving Clinton, or whoever emerges as the Democratic candidate for the 2016 White House race, at least a two-to-one advantage over a Republican party whose brand has been badly tarnished.
  • (8) The heavy price of Goldsmith’s shameless attempts to tarnish a liberal Muslim is that it will become harder, not easier, for Asians to call out unacceptable practices in their own communities.
  • (9) For the 32-month period these prostheses have been in use, no tissue reaction, tarnish, or corrosion had been observed.
  • (10) A conservative, lower-middle-class district bordering the Golden Horn and predominantly inhabited by Turks from the Black Sea coast, Kasimpasa loves Recep Tayyip Erdogan, the powerful prime minister increasingly reviled across Turkey and tarnished internationally.
  • (11) Anglo-Russian relations remain tarnished by the murder of British citizen and Putin critic Alexander Litvinenko in London in 2006 with a radioactive isotope.
  • (12) A tarnished airline brand coupled with weak finances can spell doom.
  • (13) That did not work out, but such mis-steps don’t seem to have tarnished the rapper’s brand.
  • (14) Meanwhile, the symbols of their adopted country’s world-beating prowess, from football to cars, look somewhat tarnished.
  • (15) He said it was a racist incident that tarnished English football.
  • (16) The true value of these celebrity paintings: like Picasso's Child with a Dove , which left Britain when the Qatar royal family bought it for £50m, is tarnished by massive sums.
  • (17) The alloys which had a high atomic ratio of Au + Pt + Pd + In + Zn to Ag had higher tarnish resistance.
  • (18) The legacy of this side cannot be tarnished, but for the first real time under Guardiola, they are under threat.
  • (19) Polls over the last year showed Chicagoans growing dissatisfied with Emanuel, with the star power that helped him return to Chicago and become mayor clearly tarnished.
  • (20) Is there any chance the Israelis will let us through, and repair their tarnished reputation?