(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.
Morose
Definition:
(a.) Of a sour temper; sullen and austere; ill-humored; severe.
(a.) Lascivious; brooding over evil thoughts.
Example Sentences:
(1) You want to explore the darker things in life – death is a part of life, sadness is a part of life - but we don’t ever want to be morose.” Later on, Phil comes back downstairs.
(2) I managed to view an entire seminar free of charge (though there was no sound and there was nothing useful to be gained other than looking at the morose faces of students awake before midday).
(3) His calm, clear and collaborative manner helped lift the spirit of a team who had become rather morose under his disciplinarian predecessor, Claude Puel , and he fostered a vibrant attacking style while remaining versatile enough to use a variety of formations.
(4) However, Rifkind’s own recent privacy issues had made that tricky; empty-chairing himself might have set an awkward precedent that the prime minister would not have appreciated, so he settled for looking grumpy and morose while Hazel Blears ran the show.
(5) And then GTA V is also a monstrous parody of modern life – our bubbling cesspit of celebrity fixation, political apathy and morose self-obsession.
(6) It is more than ‘morose’ it is a catastrophic economic situation.
(7) Photograph: Alamy Size: 0.03sq miles Threave Island introduced to the historical stage a character so morosely inimical there could be only one possible name for him: Archibald the Grim.
(8) Even when a newspaper falsely claimed that Motlanthe was having an affair with a 24-year-old, not once was he "morose, dejected, looking troubled", but instead showed "amazing fortitude".
(9) The early-observed improvement concerned inhibition, lack of energy, moroseness, favouring the patients' integration in the institutional context.
(10) Immediately following each unpleasant new announcement, Cleggsy Bear shuffles on stage to defend it, working his sad eyes and boyish face as he morosely explains why the decision was inevitable – and not just inevitable, but fair; in fact possibly the fairest, most reasonable decision to have been taken in our lifetimes, no matter how loudly people scream to the contrary.
(11) Anand Gopal, author of No Good Men Among the Living: America, the Taliban and the War Through Afghan Eyes, referred to their morose disposition on Twitter.
(12) The group is tough but I think that when I get over this initial moroseness, I think that I will be absolutely fine.” He said that given the strength of their opponents his side, who came through an equally tough qualifying group, could not afford to try and plot a way through and would simply have to go all-out in every game.
(13) Local papers, watching the pennies and morosely certain that pounds don't look after themselves, have very little that binds them to the Sun or the Mirror .
(14) The existence of depression in young individuals has often been denied or at least underestimated particularly during adolescence, to the benefit of such other concepts as morosity, inherent in this period of life, and from which depression should be differentiated.
(15) He's sounding morose but suddenly someone walks past and Stanhope kicks into life: "Hey man!
(16) An analysis of the individual LOI items between the two groups showed that the ulcerative colitis patients were more indecisive, and also more morose, more rigid and more punctual than the duodenal ulcer patients, i.e.
(17) "Get yourself into a good morose state," he advises.
(18) O’Neill said he was “morose” after landing Italy, Sweden and Belgium in Saturday night’s draw but his side would take inspiration from the approach showed by some sides at the Brazil World Cup in targeting victory in their opening group match, at the Stade de France in Paris on 13 June.
(19) But amid talk of a global race in which developing nations are surging forward while Europe gazes morosely at its navel, our insecure politicians are proposing isolationist policies that have an impact on national prosperity and indicate hostility to the rest of the planet.
(20) There’s not a morose feeling in my school because it’s a bloody good school and people want to stay.