(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.
Shadow
Definition:
(n.) Shade within defined limits; obscurity or deprivation of light, apparent on a surface, and representing the form of the body which intercepts the rays of light; as, the shadow of a man, of a tree, or of a tower. See the Note under Shade, n., 1.
(n.) Darkness; shade; obscurity.
(n.) A shaded place; shelter; protection; security.
(n.) A reflected image, as in a mirror or in water.
(n.) That which follows or attends a person or thing like a shadow; an inseparable companion; hence, an obsequious follower.
(n.) A spirit; a ghost; a shade; a phantom.
(n.) An imperfect and faint representation; adumbration; indistinct image; dim bodying forth; hence, mystical representation; type.
(n.) A small degree; a shade.
(n.) An uninvited guest coming with one who is invited.
(n.) To cut off light from; to put in shade; to shade; to throw a shadow upon; to overspead with obscurity.
(n.) To conceal; to hide; to screen.
(n.) To protect; to shelter from danger; to shroud.
(n.) To mark with gradations of light or color; to shade.
(n.) To represent faintly or imperfectly; to adumbrate; hence, to represent typically.
(n.) To cloud; to darken; to cast a gloom over.
(n.) To attend as closely as a shadow; to follow and watch closely, especially in a secret or unobserved manner; as, a detective shadows a criminal.
Example Sentences:
(1) Findings on plain X-ray of the abdomen, using the usual parameters of psoas and kidney shadows in the Nigerian, indicate that the two communities studied are similar but urinary calculi and urinary tract distortion are significantly more prominent in the community with the higher endemicity of urinary schistosomiasis.
(2) One of the most interesting aspects of the shadow cabinet elections, not always readily interpreted because of the bizarre process of alliances of convenience, is whether his colleagues are ready to forgive and forget his long years as Brown's representative on earth.
(3) Speaking to pro-market thinktank Reform, Milburn called for “more competition” and said the shadow health team were making a “fundamental political misjudgment” by attempting to roll back policies he had overseen.
(4) Shadow education secretary Tristram Hunt said people would see through her attempts to distance herself from Gove.
(5) An attempt to eliminate the age effect by adjusting for age differences in monaural shadowing errors, fluid intelligence, and pure-tone hearing loss did not succeed.
(6) A senior shadow minister, who has not been named by the Telegraph in its exposé of MPs' expenses , was yesterday asked by county councillors not to campaign for next month's local elections.
(7) Luciana Berger, Labour shadow secretary for mental health, also expressed alarm.
(8) A small band of shadow cabinet members have lined up to refuse to serve in posts they haven’t even been offered, on the basis of objection to economic policies they clearly haven’t read.
(9) If two sources of radiation are used, it is decisive to cover with lead the zones of half-shadow on the field limits.
(10) The amount of intimidation and abuse that has taken place make it very unlikely that women will be clamouring to go back.” Another former shadow minister said they were also not convinced they would stand again.
(11) The risk of "Gesunde Befundträger" (healthy carriers of pulmonary lesions) to develop pulmonary tuberculosis is compared with that of persons with X-ray shadows in the lung.
(12) These echoes, however, are not associated with acoustic shadowing.
(13) Ed Balls, the shadow home secretary, today called on the head of the Metropolitan police to reopen the investigation into phone hacking by the News of the World.
(14) A 43-year-old lady was hospitalized due to easy fatiguability in the legs during exercise, and for evaluation of an abnormal shadow in the chest X-ray, and hypertension.
(15) The shadow attorney general, Mark Dreyfus, said Heydon had “got it wrong” in his decision and had “not really approached this as an ordinary, fair-minded person would”.
(16) I think it would have been appropriate and right and respectful of people’s feelings to have done so.” There was also confusion over Labour policy sparked by conflicting comments made by Corbyn and his new shadow work and pensions secretary, Owen Smith.
(17) He has his job to do and he has to do it the way he thinks best.” On Saturday night, in a sign of the growing concern at the top of the party about the affair, one shadow cabinet member told the Observer : “The issue is already echoing back at us on the doorsteps.” At all levels, there was despair that the furore had turned the spotlight on to Labour’s difficulties as a time when the party had hoped to take advantage of the Tories’ second byelection loss at the hands of Ukip.
(18) The first site we explored was a big burial cairn in the shadow of Carn Menyn, where the Stonehenge bluestones come from."
(19) There will have to be very direct conversations about his platform,” one shadow cabinet member said, but others have insisted there can be no accommodation with Corbyn’s politics.
(20) He is shadow home secretary and will have to defend himself.