(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.
Sullen
Definition:
(a.) Lonely; solitary; desolate.
(a.) Gloomy; dismal; foreboding.
(a.) Mischievous; malignant; unpropitious.
(a.) Gloomily angry and silent; cross; sour; affected with ill humor; morose.
(a.) Obstinate; intractable.
(a.) Heavy; dull; sluggish.
(n.) One who is solitary, or lives alone; a hermit.
(n.) Sullen feelings or manners; sulks; moroseness; as, to have the sullens.
(v. t.) To make sullen or sluggish.
Example Sentences:
(1) Most defendants in multimillion-euro fraud cases turn up to court ashen-faced and sullen-looking.
(2) Broadly defined, this sort of behaviour involves procrastination, stubbornness, resentment, sullenness, obstructionism, self-pity and a tendency to create chaotic situations.
(3) The result is a weird kind of dissonance: blogs and op-ed pieces written in London salivate over "the most important byelection in 30 years" and claim – with some justification – that its outcome will have profound consequences for the two coalition parties, while most locals view it all with a sullen detachment.
(4) They were instantly swamped by sunlight; more the sullen accused on trial than Her Majesty's front bench.
(5) "Even a total stranger could experience the chilling effect of seeing sullen pairs of the Guardia Civil walking the street."
(6) In his memoir , Brown’s former aide Damian McBride candidly describes the thrill of having the ear of one of the most powerful men in the land – though he confesses the prime minister would “stare at [him] sullenly for a moment or two, then say: ‘Get me Ed Balls.’” I certainly met plenty of chiefs of staff and spin doctors who jealously guarded their privileged access to a particular politician and their status as that MP’s “vicar on Earth”.
(7) Against a backdrop described by the King's Fund thinktank as "deepening pessimism about the ability of the NHS to make ends meet, particularly in 2015-16", many on the health side are sullenly resentful of "their" money going into the BCF.
(8) Factor analysis of this brief inventory resulted in eight factors: disorientation, impaired concentration and thinking, paranoid-hallucinatory symptoms, anxiety, sullen inadequacy (restraint depression), hostility, loss of control, giving up.
(9) Through a double-glazed window in an adjacent room, a sullen security guard in khaki watches over all.
(10) Shortly after midnight Friday, partygoers belted Purple Rain together, a notably moving moment amid a sullen day.
(11) That sullen death-stare she perfected as April in Parks & Rec should come in handy somewhere on the dark side, perhaps as a female Sith Lord – a Sith Lady, if you will.
(12) If you’re sensing that the Mill is bored, or better yet, indifferent, or better yet, showing all the sullen ardour of a husband obliging himself to make love to his wife in the thick of a carnal indifference, then take your right hand, place it over your left shoulder and give yourself a big old pat on the back.
(13) I interviewed G-Unit once (minus the banged-up Tony Yayo) and they were the antithesis of the sullen, aggressive rapper stereotype (although they did turn their noses up at the very idea of letting any of the "British food" at their 5-star hotel pass their lips, and sent their manager out for a McDonalds instead).
(14) There are roadblocks manned by sullen-looking teenagers cradling AK-47s, but no meaningful law and order.
(15) Behind came a straggling caravan of mules and porters, including a couple of teenage boys who watched the college girls with sullen fascination.
(16) McFadden's penalty brought City a point, at which point William Gallas went all precious, attacking an advertising board and sitting sullenly on the pitch after the final whistle.
(17) A period as manager of Port Vale, after Stoke had rather sullenly parted company with him, reducing his wages and refusing him complimentary tickets, was ill-starred.
(18) It made him look sullen, grumpy and at worst disengaged from his challenger.
(19) Obscenity is lecherous and sullen in regard to women and virulent towards men: it may then be interpreted as a mean of struggle against the anxiety of death.
(20) Manchester United survived a couple of scares in 2008 at Wigan, but ultimately won 2-0 comfortably, while in 2010 Chelsea romped to an 8-0 victory over Wigan at Stamford Bridge as United sullenly and pointlessly beat Stoke City 4-0 at home.