(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.
Roan
Definition:
(a.) Having a bay, chestnut, brown, or black color, with gray or white thickly interspersed; -- said of a horse.
(a.) Made of the leather called roan; as, roan binding.
(n.) The color of a roan horse; a roan color.
(n.) A roan horse.
(n.) A kind of leather used for slippers, bookbinding, etc., made from sheepskin, tanned with sumac and colored to imitate ungrained morocco.
Example Sentences:
(1) BBC sports editor Dan Rowan tweeted: Dan Roan (@danroan) Action of US sponsors also raises issue of whether broadcasters (who bring more £ into FIFA than corporates) should make a stand too... October 3, 2015
(2) Buffalo and roan antelope were also selected for food but, because of their behavioural characteristics, neither was continually available to the tsetse population and they had no influence on its distribution.
(3) One roan antelope was anaemic, but the other animals had haemoglobin levels within the normal range and appeared to be in a good state of health.
(4) In reply to the BBC sports editor, Dan Roan, Armstrong said: “My answer is not a popular answer.
(5) Although this reduces the power of fingerprints for linkage analysis substantially, we were able to demonstrate genetic linkage between fingerprint bands and at least three of the classical markers, to exclude the roan locus from 4.5 Morgans of the bovine genome with the DNA fingerprints and for an additional 2.5 Morgans with the classical markers, and to identify a solid candidate marker for the bovine muscular hypertrophy gene, yielding a lod score greater than or equal to 2.84 without any obliged recombinant.
(6) Cloned DNA fragments of AHV-1 and OHV-2 cross hybridised with DNA prepared from cells infected with the roan antelope virus and the intensity of reaction suggested that this virus was more closely related to AHV-1 than is OHV-2.
(7) A herpesvirus was recovered in culture from the cells of a roan antelope (Hippotragus equinus) following cryopreservation in DMSO and it is thought that the DMSO may have been involved in reactivation.
(8) A clinical diagnosis of chronic renal failure associated with nephron atrophy and fibrosis was made in 4 blue roan Cocker Spaniels.
(9) The concentrations of 8 variables in the blood of impala and roan antelope exposed to acute stress were investigated.
(10) Two of the pedigrees were informative for segregation at the 'muscular hypertrophy' locus, and one was informative at the coat colour determining 'roan' locus.
(11) The leopard complex of white spotting patterns in horses consists of the leopard, few-spot leopard, blanket, blanket with spots, varnish roan (or marble), snowflake, frosted, speckled, and mottled patterns.
(12) To find a marker for the bovine "muscular hypertrophy" gene and for the "roan" locus, we have typed six cattle pedigrees totaling 540 animals for nine blood group systems, for 12 biochemical markers, for RFLPs at four loci, and with five probes revealing multilocus DNA fingerprints.
(13) On inoculation into rabbits the virus induced malignant catarrhal fever indicating that roan antelope should be considered as a possible source of infection.
(14) The question is how much improvement there will be,” lead analyst Debra Roane told AAP.
(15) No linkage was found either with the 'muscular hypertrophy' locus, or with the 'roan' locus.