(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.
Dusky
Definition:
(a.) Partially dark or obscure; not luminous; dusk; as, a dusky valley.
(a.) Tending to blackness in color; partially black; dark-colored; not bright; as, a dusky brown.
(a.) Gloomy; sad; melancholy.
(a.) Intellectually clouded.
Example Sentences:
(1) A model of the reproductive ecology of female dusky salamanders was used to investigate the allocation scheme that a female might use to maximize her reproductive success.
(2) Edematous right hand with dusky erythematous skin over the dorsum and swelling of the palm with limitation of range of motion were noted on admission.
(3) The findings are compared to other causes of dusky-hued skin in the neonate.
(4) Factors leading to injury included rapid onset of colder temperatures, sudden reuse of snowblowers after storage for the summer, a heavy mid-week storm that created a sense of urgency to clear snow in dusky light conditions after a day at work, frustration as exit chutes became repeatedly clogged with heavy wet snow and limited operator education.
(5) In drawing after drawing, pastel after pastel, painting after painting, the contours of Degas's dancing figures become, at a certain point, darkly insistent, tangled and dusky.
(6) Two different forms of Chinese pangolins can be recognized according to the color of their scales, i.e., brown and dusky.
(7) The dusky red skin lesion gradually spread to the right side of her trunk and drained small amount of purulent or serosanguineous fluid.
(8) Our results suggest that there is considerable divergence in Chinese pangolins, and brown and dusky Chinese pangolins may be quite different forms or, at least, belong to different maternal groups.
(9) The Lyme disease spirochete, Borrelia burgdorferi Johnson, Schmid, Hyde, Steigerwalt & Brenner, was isolated from the blood of a dusky-footed wood rat, Neotoma fuscipes Baird, in the San Bernardino Mountains of southern California.
(10) There was typical pheochromocytoma in areas of dusky red tissue.
(11) Open Mon-Fri 11.30am-1am, Sat 11.30am-2pm, Sun 12.30pm-midnight Sunflower Facebook Twitter Pinterest A jam session at Sunflower Inside this dusky nook of a bar - crowned the best in the city last year, but under threat from developers - the beer choice is bang up to date.
(12) These results are not specific to dusky salamanders, but can be extended to other organisms with similar reproductive characteristics.
(13) The plume of scarlet hair she sported in the role that defined her, as the FBI agent Dana Scully in The X-Files , which ran for nine series between 1993 and 2002 and spawned two movies, is gone, replaced by dusky blond locks.
(14) Politicians who stuff their brains with alcohol, nicotine and amphetamines view ecstasy, cannabis and cocaine as dangerous exotics, like the black death or yellow peril, imported from dusky parts to corrupt the young.
(15) Gross anatomical analysis of the photoactivated brain revealed hemorrhagic dusky discoloration limited to the area of the tissue illuminated.
(16) Deficiency mapping indicates that Andante is located in the 1OE1-2 to 1OF1 region of the X chromosome, close to the miniature-dusky locus.
(17) the "normal" articular cartilage, the fissured and wrinkled articular cartilage, and the yellow or dusky red, markedly thickened, and roughened articular cartilage.
(18) Yersinia pestis antibodies occurred in serum samples from 25 (36%) of 69 black bears (Ursus americanus), one (50%) of two raccoons (Procyon lotor), five (3%) of 170 dusky-footed woodrats (Neotoma fuscipes), and one (less than 1%) of 118 deer mice (Peromyscus maniculatus).
(19) Divergence between brown and dusky forms began 0.6 Myr ago, provided the mean rate of sequence divergence is 0.02 per Myr in mtDNA.
(20) We analyzed mitochondrial DNA (mtDNA) purified from the livers of seven dusky and six brown Chinese pangolins from the same locality, using cleavage patterns from 19 restriction enzymes.