(a.) Destitute, or partially destitute, of light; not receiving, reflecting, or radiating light; wholly or partially black, or of some deep shade of color; not light-colored; as, a dark room; a dark day; dark cloth; dark paint; a dark complexion.
(a.) Not clear to the understanding; not easily seen through; obscure; mysterious; hidden.
(a.) Destitute of knowledge and culture; in moral or intellectual darkness; unrefined; ignorant.
(a.) Evincing black or foul traits of character; vile; wicked; atrocious; as, a dark villain; a dark deed.
(n.) Absence of light; darkness; obscurity; a place where there is little or no light.
(n.) The condition of ignorance; gloom; secrecy.
(n.) A dark shade or dark passage in a painting, engraving, or the like; as, the light and darks are well contrasted.
(v. t.) To darken to obscure.
Example Sentences:
(1) And that, as much as the “on water, operational” considerations, is why we are being kept in the dark.
(2) The first group was reared in complete darkness while the second one was subjected to permanent noise.
(3) In the dark the 6-azidoflavoproteins are quite stable, except for L-lactate oxidase, where spontaneous conversion to the 6-amino-FMN enzyme occurs slowly at pH 7.
(4) Most notably, retroperitoneal lymph nodes in rabbits remained dark blue up to 28 days after hindlimb endolymphatic instillation of liposomal patent blue.
(5) In the dark cortical zone of the nodes (III group) there occur tissue basophils (mast cells), that, together with increasing number of acidophilic granulocytes and appearance of neutrophilic cells, demonstrates that there is an inflammatory reaction in the organ studied as a response to the lymphocytic suspension injected.
(6) Urinalysis revealed a low pH, increased ketones and bilirubin excretion, dark yellowish change in color, the appearance of "leaflet-shaped" crystals and increased red blood cells and epithelial cells in the urinary sediment, increased water intake, decreased specific gravity and decreased sodium, potassium and chloride in the urine.
(7) We were searching for spontaneous and positional nystagmus in 5 positions with open eyes in darkness and with closed eyes.
(8) Previous FTIR measurements have identified several tyrosine residues that change their absorption characteristics between light-adapted BR and dark-adapted BR, or between intermediates K and M [Dollinger, G., Eisenstein, L., Lin, S.-L., Nakanishi, K., Odashima, K., & Termini, J.
(9) Steady state levels of chloroplast mRNA encoding the core PSII polypeptides remain nearly constant in the light or the dark and are not affected by the developmental stage of the plastid.
(10) The second triplet, which was stable in the dark at 4.2 K following illumination, was assigned to the radical pair Donor+I-.
(11) The results indicate that CRALBP X 11-cis-retinol is sufficiently stereoselective in its binding properties to warrant consideration as a component of the mechanism for the generation of 11-cis-retinaldehyde in the dark.
(12) Although the Ca2+-independent mechanism accounts for about two thirds of the total acetylcholine release in the dark, the amount of acetylcholine released in this way is small compared with the release of acetylcholine triggered by stimulation of the retina with light.
(13) The extracellular concentration of GABA is probably high in prolonged darkness, and it is low after prolonged light exposure.
(14) In lettuce, the presence of 2,4-D in the light lowered the concentration of total Hg (or MeHg) required to reduce growth by 50%, about 13 times relative to that in the dark (i.e., it sensitized the cells).
(15) This suggests that many retinal ganglion cells continue to discharge in total darkness for long periods.
(16) In darkness, raising the concentration of K in the fluid of perfusion gives an increase of the efflux of (86)Rb and increasing the extracellular concentration of Ca yields a retention.
(17) Upon illumination, a dark-adapted photosynthetic sample shows time-dependent changes in chlorophyll (Chl) a fluorescence yield, known as the Kautsky phenomenon or the OIDPS transient.
(18) One elderly woman was left alone in the dark for hours unable to find food or drink.
(19) These observations indicated a novel mechanism that in the absence of light-dark schedule, mothers taught the circadian rhythm to the pups as they raised them.
(20) It was observed that the circadian rhythm was disrupted by injections of lithium at the beginning of the light as well as the dark phase of the LD cycle.
Mystery
Definition:
(a.) A profound secret; something wholly unknown, or something kept cautiously concealed, and therefore exciting curiosity or wonder; something which has not been or can not be explained; hence, specifically, that which is beyond human comprehension.
(a.) A kind of secret religious celebration, to which none were admitted except those who had been initiated by certain preparatory ceremonies; -- usually plural; as, the Eleusinian mysteries.
(a.) The consecrated elements in the eucharist.
(a.) Anything artfully made difficult; an enigma.
(n.) A trade; a handicraft; hence, any business with which one is usually occupied.
(n.) A dramatic representation of a Scriptural subject, often some event in the life of Christ; a dramatic composition of this character; as, the Chester Mysteries, consisting of dramas acted by various craft associations in that city in the early part of the 14th century.
Example Sentences:
(1) Ofcom will conduct research, such as mystery shopping, to assess the transparency of contractual information given to customers by providers at the point of sale".
(2) Totò was a legend in the Vesuvian city – a comedian of genius; poignant, mysterious.
(3) And that ancient Basque cultural gem – the mysterious language with its odd Xs, Ks and Ts – will be honoured at every turn in a city where it was forbidden by Franco.
(4) The etiology of the panvasculitis still remains a mystery.
(5) Meeting after meeting during 2011 to try to hammer out agreements about the basic shape of the Egyptian constitution – meetings that always mysteriously collapsed.
(6) Director Gareth Edwards , who made Godzilla, introduced a tantalizing concept reel to preview the mysterious film, which is part of a series of films exploring other stories outside of the core Star Wars saga.
(7) In EastEnders , the mystery surrounding the identity of Kat's secret squeeze continues amid the grinding of narrative levers and the death rattle of overflogged script-horses.
(8) The exact purpose of the complex is a mystery, though it is clearly ancient.
(9) Of course, the great British countryside was never as twee as that – a point made forcibly by the second album from mysterious electronic collective Hacker Farm .
(10) Askap will also help astronomers investigate one of the greatest mysteries of the universe: dark energy.
(11) Dickens's last completed novel, Our Mutual Friend , has a mysterious hero, John Rokesmith, who turns out to be someone different from the person we were told he was.
(12) Where once Gaga was mysterious and her music unavoidable, the mystique has evaporated and the music easy to miss.
(13) "How these union bosses get elected, how they raise money, how they disperse money is a complete and utter mystery.
(14) Despite extensive research, the aetiology of this infectious disease which affects mainly infants and young children remains mysterious.
(15) Death in utero (or immediately following birth) of children of diabetic mothers remains rather mysterious.
(16) Now trapped in an occupied city, she takes on a job as a housekeeper to mysterious bachelor Gabriel Ortega.
(17) In response to a question from the host, Jake Tapper, about allegations that the Russian ambassador “is a spy”, Rubio said: “It is not a mystery to anyone that virtually every embassy in Washington DC has some intelligence component associated with it.” Fact check: what did Trump's tweets about Obama's 'wiretaps' mean?
(18) Since then, his whereabouts have been a mystery, but this week his brother told Associated Press that he had received new and disturbing information from one of the policemen who took Gao away.
(19) Yet elsewhere in Syria, the strikes against Isis opened what US officials indicate as an opportunity to strike a mysterious al-Qaida cell in Syria believed to have been in the advanced stages for bomb attacks against US or western targets.
(20) How Balls achieves his £1.2bn from a mansion tax is a mystery.