(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.
Dismal
Definition:
(a.) Fatal; ill-omened; unlucky.
(a.) Gloomy to the eye or ear; sorrowful and depressing to the feelings; foreboding; cheerless; dull; dreary; as, a dismal outlook; dismal stories; a dismal place.
Example Sentences:
(1) Arsenal’s 10 men fall at the first hurdle against Dinamo Zagreb Read more This win, even against such feeble opponents, was celebrated, with the locals chorusing their manager’s name amid a wave of relief given so much of the team’s domestic campaign to date has been dismal.
(2) Massive pay packets are being used to lure foreign coaches and players from footballing nations such as Brazil in order to beautify the still dismal Chinese game.
(3) Trump and Hillary Clinton’s dismal honesty ratings, he says, show scrutiny is working.
(4) Chris Williamson, of data provider Markit, said: "A batch of dismal data and a gloomier assessment of the economic outlook has cast a further dark cloud over the UK's economic health, piling pressure on the government to review its fiscal policy and growth strategy.
(5) Referencing these dismal truths on the website Race Files , Soya Jung criticised Chua and Rubenfeld for "buying into exceptionalist arguments to explain disparities means endorsing a dehumanising system of racialised norms".
(6) We will have another financial shock – it’s inevitable.” Gary Greenwood, analyst at Shore Capital, described the results as “dismal” and noted the bank was ditching targets previously set to measure returns to shareholders.
(7) Henderson completed 77 minutes during a dismal goalless draw, secured on a semi-frozen pitch, to hand Klopp some welcome injury news following the England midfielder’s extended absence because of a heel problem.
(8) It might be doing even better if it had not been deliberately mischaracterised as a demand for a ban by typically dismal feminists, rather than an effort to persuade the Sun that a woman's bra size is not the most interesting fact about her.
(9) But it's a dismal prospect, for this is how our politics of hope continues to manifest itself – vote for us; we're the least worst.
(10) Some of these measures appeared to be lifted over the weekend, but as thousands trudged or bussed their way towards Austria and then Germany, the dismal scenes in Hungary will stain one administration’s human rights record – and perhaps the reputation of a nation.
(11) Griffiths replaced Nadir Ciftci for the start of the second half after a dismal first 45 minutes from the home side and Ronny Deila’s men continued to struggle, with Bitton sent off in the 67th minute after picking up his second yellow card.
(12) The UK's weather seems set on squandering one of its last chances to make amends for the largely dismal summer by threatening wind and rain for the event-packed bank holiday weekend.
(13) Following United's dismal 2-0 Champions League defeat at Oympiakos on Tuesday, Van Persie signalled his disquiet by complaining that his team-mates were taking up positions he wanted to occupy.
(14) Except for the palliative effect of irradiation, most treatment protocols have not altered the dismal median survival of approximately 11 months seen in untreated patients with malignant mesothelioma.
(15) They fought back and, in a rare uplifting moment in these dismal times, won.
(16) Primary pulmonary hypertension is a relatively rare disease with a poorly understood pathophysiology, limited therapeutic options, and a dismal prognosis.
(17) The pernicious nature of this tumor often leads to a dismal outcome despite aggressive therapy.
(18) Nonoperative treatment deserves re-evaluation in patients with all three risk factors because of their uniformly dismal outcome after operation.
(19) The third goal represented another dismal concession from Leicester’s point of view.
(20) The introduction of planned multidisciplinary treatment has improved the outlook for patients with this once dismal disease.