What's the difference between black and lack?

Black


Definition:

  • (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.

Lack


Definition:

  • (n.) Blame; cause of blame; fault; crime; offense.
  • (n.) Deficiency; want; need; destitution; failure; as, a lack of sufficient food.
  • (v. t.) To blame; to find fault with.
  • (v. t.) To be without or destitute of; to want; to need.
  • (v. i.) To be wanting; often, impersonally, with of, meaning, to be less than, short, not quite, etc.
  • (v. i.) To be in want.
  • (interj.) Exclamation of regret or surprise.

Example Sentences:

  • (1) Here we have asked whether protection from blood-borne antigens afforded by the blood-brain barrier is related to the lack of MHC expression.
  • (2) tRNA from mutant IB13 lacks 5-methylaminomethyl-2-thio-uridine in vivo due to a permanently nonfunctional methyltransferase.
  • (3) BL6 mouse melanoma cells lack detectable H-2Kb and had low levels of expression of H-2Db Ag.
  • (4) Treatment termination due to lack of efficacy or combined insufficient therapeutic response and toxicity proved to be influenced by the initial disease activity and by the rank order of prescription.
  • (5) In the past, the interpretation of the medical findings was hampered by a lack of knowledge of normal anatomy and genital flora in the nonabused prepubertal child.
  • (6) A diplomatic source said the killing appeared particularly unusual because of Farooq lack of recent political activity: "He was lying low in the past two years.
  • (7) The present study examined whether the lack of chronic hemodynamic effects of ANP in control rats was due to changes in vascular reactivity to the peptide.
  • (8) Since it was established, it has stoked controversy about contemporary art, though in recent years it has been more notable for its lack of sensationalism.
  • (9) Inadequate treatment, caused by a lack of drugs and poorly trained medical attendants, is also a major problem.
  • (10) Because of the small number of patients reported in the world literature and lack of controlled studies, the treatment of small cell carcinoma of the larynx remains controversial; this retrospective analysis suggests that combination chemotherapy plus radiation offers the best chance for cure.
  • (11) I would immediately look askance at anyone who lacks the last and possesses the first.
  • (12) The detection of these antibodies is difficult owing to the lack of standardization and of specificity of the laboratory tests.
  • (13) Core enzyme, lacking omega subunit, catalyzed this reaction at a rate less than 1% that of holoenzyme.
  • (14) But not only did it post a larger loss than expected, Amazon also projected 7% to 18% revenue growth over the busiest shopping period of the year, a far cry from the 20%-plus pace that had convinced investors to overlook its persistent lack of profit in the past.
  • (15) Urine specimens from patient REE also contained a light chain fragment that lacked the first (amino-terminal) 85 residues of the native light chain but otherwise was identical in sequence to the light chain REE.
  • (16) Thus the failure to raise anti-Id with internal image characteristics may provide an explanation for the lack of anti-gp120 activity reported in anti-Id antisera raised to multiple anti-CD4 antibodies.
  • (17) His walkout reportedly meant his fellow foreign affairs select committee members could not vote since they lacked a quorum.
  • (18) In South Africa, health risks associated with exposure to toxic waste sites need to be viewed in the context of current community health concerns, competing causes of disease and ill-health, and the relative lack of knowledge about environmental contamination and associated health effects.
  • (19) The functional capacity to present antigens to T cells was lacking in normal resting B cells, but was acquired following LK treatment.
  • (20) 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.