(a.) Destitute of light, or incapable of reflecting it; of the color of soot or coal; of the darkest or a very dark color, the opposite of white; characterized by such a color; as, black cloth; black hair or eyes.
(a.) In a less literal sense: Enveloped or shrouded in darkness; very dark or gloomy; as, a black night; the heavens black with clouds.
(a.) Fig.: Dismal, gloomy, or forbidding, like darkness; destitute of moral light or goodness; atrociously wicked; cruel; mournful; calamitous; horrible.
(a.) Expressing menace, or discontent; threatening; sullen; foreboding; as, to regard one with black looks.
(adv.) Sullenly; threateningly; maliciously; so as to produce blackness.
(n.) That which is destitute of light or whiteness; the darkest color, or rather a destitution of all color; as, a cloth has a good black.
(n.) A black pigment or dye.
(n.) A negro; a person whose skin is of a black color, or shaded with black; esp. a member or descendant of certain African races.
(n.) A black garment or dress; as, she wears black
(n.) Mourning garments of a black color; funereal drapery.
(n.) The part of a thing which is distinguished from the rest by being black.
(n.) A stain; a spot; a smooch.
(a.) To make black; to blacken; to soil; to sully.
(a.) To make black and shining, as boots or a stove, by applying blacking and then polishing with a brush.
Example Sentences:
(1) To quantify the size of the lesion in mice, the area of the infarct on the brain surface was assessed planimetrically 48 h after MCA occlusion by transcardial perfusion of carbon black.
(2) For male schizophrenics, all symptom differences disappeared except one; blacks were more frequently asocial.
(3) The most successful dyes were phenocyanin TC, gallein, fluorone black, alizarin cyanin BB and alizarin blue S. Celestin blue B with an iron mordant is quite successful if properly handled to prevent gelling of solutions.
(4) The correlates of three characteristics of familial networks (i.e., residential proximity, family affection, and family contact) were examined among a national sample of older Black Americans.
(5) Positivity was not correlated with current residence census tract socioeconomic indicators in black or white females.
(6) The high frequency of increased PCV number in San, S.A. Negroes and American Negroes is in keeping with the view that the Khoisan peoples (here represented by the San), the Southern African Negroes and the African ancestors of American Blacks sprang from a common proto-negriform stock.
(7) Fluttering in the background was a black flag adorned with white script, the “black flag of jihad”.
(8) It is 30 years since Paul Canoville became the first black footballer to play for Chelsea.
(9) If black people could only sort out these self-inflicted problems themselves, everything would be OK. After all, doesn't every business say it welcomes job applicants from all backgrounds?
(10) A case-control study of breast cancer among Black American women was conducted in seven hospitals in New York City from 1969 to 1975.
(11) Mike Enzi of Wyoming A senior senator from Wyoming, Enzi worked for the Department of Interior and the private Black Hills Corporation before being elected to Congress.
(12) The Black pregnant teen is a microcosm of the impact of society on the most vulnerable.
(13) The charges against Harrison were filed just after two white men were accused of fatally shooting three black people in Tulsa in what prosecutors said were racially motivated attacks.
(14) The relative effect of the intramammary infections and of different factors related to the cow (parity, stage of lactation, milk yield) on the individual cell counts, were studied for 30 months on the 62 black-and-white Holstein cows of an experimental herd.
(15) Instead, he handed over the opening to reporter Molly Line, who said, “Racial profiling is in the eye of the beholder,” before citing differing perceptions of the phenomenon between white and black people, which is like reading the headline “Rapist, Victim Differ on Consent”.
(16) These findings indicate an association between HLA-B7 and ankylosing spondylitis in American blacks and suggest that these patients who lack B27 but possess B7 represent a subgroup of patients with this disease.
(17) This is an edited extract from Across the Seas – Australia’s Response to Refugees: A History by Klaus Neumann, published by Black Inc. Books and on-sale now .
(18) Of particular note is the difference between Black American and Nigerian figures.
(19) They were like some great show, the gas squeezing up from the depths of the oil well to be consumed in flame against the intense black horizon, like some great dragon.
(20) Its abuse has become concentrated among post-high school age, black males in a limited number of cities, especially Washington, DC.
Mordant
Definition:
(a.) Biting; caustic; sarcastic; keen; severe.
(a.) Serving to fix colors.
(n.) Any corroding substance used in etching.
(n.) Any substance, as alum or copperas, which, having a twofold attraction for organic fibers and coloring matter, serves as a bond of union, and thus gives fixity to, or bites in, the dyes.
(n.) Any sticky matter by which the gold leaf is made to adhere.
(v. t.) To subject to the action of, or imbue with, a mordant; as, to mordant goods for dyeing.
Example Sentences:
(1) The most successful dyes were phenocyanin TC, gallein, fluorone black, alizarin cyanin BB and alizarin blue S. Celestin blue B with an iron mordant is quite successful if properly handled to prevent gelling of solutions.
(2) Duodenal DM flow was estimated with the indigestible markers, Cr-mordanted cell wall, Yb-soaked whole crop oat silage, and Co-EDTA.
(3) But his magnificent, exact rendering of the world, in his mordant, civilised and generous prose, has no comparison.
(4) As suggested by results obtained with various phenolics and benzoic acid derivatives, the functional groups required for the mordanting effect of such agents are the carboxyl group, and at least one hydroxyl group concomitantly present on the benzene ring.
(5) In this study, kinetic estimates derived from chromium-mordanted hay or pellets were compared to estimates derived from rare earth markers (Yb, Dy, or Er) applied individually to samples.
(6) The fractional passage rate of the 1-2 mm particles mordanted with Cr did not differ (P greater than 0.05) between groups.
(7) This phosphotungstic acid-iron-haematoxylin (PTAIH) method is based on pretreating the sections with phosphotungstic acid followed by an iron alum mordant and staining in haematoxylin with subsequent timed differentiation, at certain stages of which the features listed above appear.
(8) His studies into histological staining techniques (principle of elective staining, mordant staining, staining of myelin sheaths) as well as into microtome techniques proved essential to progress in pathology and bacteriology.
(9) In the present study, LDL aggregates were examined by electron microscopy, using new mordant techniques for lipid visualization, and by chemical analysis.
(10) Selected lobules of human term placentae were extracorporeally perfused for a recovery period of 20 min, fixed by perfusion and mordanted with ferrocyanide prior to processing for transmission electron microscopy.
(11) The age of the bacterial culture, the preparation of the smear, the fixation technic, and the mordant have an important influence on the ease with which gram-positive organisms are decolorized.
(12) Mordant in 0.4% tannic acid in distilled water for 1 minute.
(13) Intense staining, which proved dependent on nucleic acid content, was achieved by using either the preformed lake, mordanting followed by hematoxylin, hematoxylin alone or the lake at high ionic strength.
(14) Following our study on the effect of deoxyribonucleic acid (DNA) extraction on nuclear staining with soluble metal mordant dye lakes covering 29 dye lakes we chose a series of lakes representing the three groups: (1) readily prevented by DNA removal, (2) weakened by DNA extraction but not prevented, (3) unaffected by DNA removal, for application of other endgroup blockade reactions.
(15) Small and large particle size wheat bran-supplemented diets were used in combination with the particulate digestion marker chromium mordanted bran (CrMB) and the soluble digestion marker cobalt-EDTA (Co EDTA).
(16) It was concluded that the low-level-mordanting technique in combination with appropriate sampling yielded a realistic quantitative description of forage breakdown and movement processes in the digestive tract of cattle.
(17) Chromium-mordanted fiber was used as a particle phase marker.
(18) Surface analysis by XPS (X-ray photoelection spectroscopy), also called ESCA (electron spectroscopy for chemical analysis), indicates that only certain cations are appreciably sorbed by enamel from an acid etching solution containing phosphoric acid and equimolar concentrations of candidate mordant salts.
(19) In spontaneously hyperlipoproteinemic old Sprague-Dawley rats, endogenous lipoproteins (LP) in the size range of 15 to 40 nm were directly visualized within the blood vessels due to specimen mordanting with tannic acid.
(20) One or two peevish voices thought Imlah too clever, too dustily "Oxonian", failing to see how mordantly modern many of the fables and instances in Birthmarks are, within their formal virtuosity and confidently literary bearing.