(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.
Cognate
Definition:
(a.) Allied by blood; kindred by birth; specifically (Law), related on the mother's side.
(a.) Of the same or a similar nature; of the same family; proceeding from the same stock or root; allied; kindred; as, a cognate language.
(n.) One who is related to another on the female side.
(n.) One of a number of things allied in origin or nature; as, certain letters are cognates.
Example Sentences:
(1) The use of sigma 54 promoters, known to require cognate binding proteins, could allow the fine-tuning that provides the temporal ordering of flagellar gene transcription.
(2) To date, a cognate action of E2 on the GnRH pulse generator has not been described.
(3) Cognate sites in genomes that diverged approximately 100 million years ago can be detected by PCR assays based on primer pairs from unique sequences.
(4) Cognate heat shock proteins might be involved in this renaturation process.
(5) LEW rats immunized with each of the three DA MHC chains produced alloantibodies to these chains, suggesting that indirect allorecognition did occur, because of the requirement for cognate recognition of B cells by T helper cells.
(6) Microcultures of helper T (Th) cells and a few appropriately primed murine B cells can be used to detect cognate T-B interactions which lead to clonal production of IgM, IgG1, and IgE.
(7) We have investigated the structural relationship of heat-inducible and cognate members of the human hsp70 gene family.
(8) If protein mixtures are subjected to affinity elution the cognate pair [tRNAPhe-phenylalanyl-tRNA synthetase] is eluted first, followed by noncognate pairs.
(9) These results suggest that cognate T-B cell interactions may be important in the development of IgE immune responses in the normal host.
(10) Ribosomes programmed by different synonymous codons also differ in discriminating among near-cognate aminoacylated tRNAs.
(11) These results were then compared with CVB-specific IgM levels in the cognate patient sera.
(12) This line induces proliferation of and Ig secretion by I-Ak expressing but not H-2d resting and activated B cells as a result of cognate interactions.
(13) The protein has been designated as a stress cognate protein based on previous studies and data presented herein that this protein cross-reacted with a monoclonal antibody originally raised against the Drosophila 70 kilodalton heat shock protein.
(14) By radioactive in situ hybridization (ISH) using a fragment from the murine Pax-1 paired box that is almost identical to the respective sequences from the cognate human gene HuP48 and fluorescence in situ hybridization (FISH) using a complete mouse Pax-1 cDNA, we have assigned the human homologue of murine Pax-1, the PAX1 locus, to chromosome 20p.
(15) One region in most sigma factors makes sequence-specific contacts at the -10 region of its cognate promoters.
(16) This suggests that the SRE and its cognate protein are likely to be involved in the regulation of Krox-24 and presumably of other immediate-early serum response genes.
(17) A third Slp gene exists within this locus whose recombinant cognate did not express in L cells.
(18) Two of the hox appear to be cognates of the human Hu-1 (or mouse Hox 2.1) and the mouse Hox 1-3, while another is closely related to the mouse Hox 1-4.
(19) Comparison of our skeletal muscle translocator sequence with that of a recently published human fibroblast translocator cognate revealed that the two proteins are 88% identical and diverged about 275 million years ago.
(20) Comparison of the nucleotide and deduced amino acid sequence of this genome segment with cognate segments of isolates of BTV 1 from Australia and South Africa, and BTV 10 and BTV 17 from the United States, revealed homologies of 98%, 80%, 79%, and 79%, respectively, at the nucleotide level and 98%, 90%, 89%, and 90% identity, respectively, at the amino acid level.