What's the difference between blacken and bracken?

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.

Bracken


Definition:

  • (n.) A brake or fern.

Example Sentences:

  • (1) On the one hand was the condition found in many parts of the world of bovine enzootic haematuria with uncertain aetiology and, on the other, the investigations conducted on the acute radiomimetic cattle bracken poisoning under laboratory conditions.
  • (2) Mammary cancer was also induced in Sprague-Dawley rats fed a bracken diet.
  • (3) Inbred strain ACI rats of both sexes were divided into 4 groups; Group 1 received a diet containing the unprocessed bracken dried at a room temperature of below 30 degrees, Group 2 received a diet containing bracken dried at 70 approximately 90 degrees with a hot, forced draft, and Group 3 received the diet containing processed bracken that had been minced to a paste-like consistency using a mechanical chopper.
  • (4) Two glucosides to enhance histamine release from rat peritoneal mast cells were isolated from rhizomes of bracken fern (Pteridium aquilinum (L.) Kuhn) by column chromatography on Sephadex LH-20 and droplet counter-current chromatography, and named braxin A1 and A2.
  • (5) Powdered bracken fern mixed with a basic commercial diet (1:4 by weight) was fed to a group of 40 ICR strain mice for 20 weeks after the implantation of a glass bead into the bladder.
  • (6) Ten of the 13 species that depend on specific habitats - heathland, coppices, woodland glades, bracken, hedgerows and so on - have fared better on sites where farmers had agreed to tend the landscape with wildlife in mind.
  • (7) Thirteen cows maintained on natural bracken fern (Pteridium aquilinum) were analyzed cytogenetically.
  • (8) In animals experimentally immunosuppressed with azathioprine "bracken type" hemangiomas developed in the bladder lining.
  • (9) It was proved that PT is the carcinogenic principle present in bracken fern, inducing mammary cancer and multiple ileal tumors in high incidences when given orally to female Sprague-Dawley rats.
  • (10) Here, Main, Sidney Bracken, 65, Paul Radley, 52, and David Robinson, 63, are cooking an outdoor breakfast, after hanging a huge banner around the ramparts of the fort.
  • (11) The possible carcinogenicity of bracken fern (Pteridium aquilinum, common name: "Broto de Samambaia") which is used as food by the population of Ouro Preto (Minas Gerais, Brazil) and neighboring areas, was studied in rats.
  • (12) The present study compared results obtained for 62 normally developing preschool children on the Bracken Basic Concept Scale, the Preschool Language Scale, and the Slossen Intelligence Test to determine whether scores on the tests correlated and were equivalent.
  • (13) The route leads past Bleamoss Beck, then winds its way through the bracken landscape before crossing a grassy hollow to the foot of Wrynose Pass.
  • (14) Bracken-grazing animals are also heavily immunosuppressed.
  • (15) Dose dependent toxicity was observed in bracken fern (p less than 0.001).
  • (16) The carcinogenicity of bracken fern, Pteridium aquilinum, was demonstrated most clearly by the experiment of Evans and Mason in 1965.
  • (17) Histologic examination of the urinary bladders of albino rats fed bracken fern (Pteris aqulinum) showed epithelial hyperplasia in all test animals after 3 weeks of feeding and nuclear abnormalities at 4 to 6 weeks.
  • (18) Evidence is presented to shown that this is associated with the presence of bracken fern on high incidence farms and that many of the carcinomas arise in pre-existing virus-induced papillomas.
  • (19) The two have led to the recognition of the long term cancer dangers of bracken consumption and the vulnerability of a wide variety of species of animals.
  • (20) The moors, covered with bracken turning a rusty brown, stretched as far as the eye could see.

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