(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.
Hidden
Definition:
(p. p. & a.) from Hide. Concealed; put out of view; secret; not known; mysterious.
(p. p.) of Hide
Example Sentences:
(1) We conclude that gamma-(312-324) is hidden in fibrinogen and is exposed by the formation of fibrin.
(2) The unauthorised trades remained hidden for years in so-called umbrella accounts set up to store the funds.
(3) The discovery of this vast tranche of documents has prompted historians to suggest that a major reappraisal of the end of Britain's empire will be required once these materials have been digested – a "hidden history" if ever there were one.
(4) Such inquiries - set up under the Police Act, to look into a matter of serious public concern - are far from common and bring to light facts and opinions that are frequently hidden from view.
(5) Even the landscape is secretive: vast tracts of crown land and hidden valleys with nothing but a dead end road and lonely farmhouse, with a tractor and trailer pulled across the farmyard for protection.
(6) Next month we’ll see him in Hidden Figures, the story of the African-American women who powered Nasa .
(7) This process is also formulated as a Hidden Markov Model problem and solved by applying the Expectation Maximization algorithm.
(8) Glomus tumors in children may be hidden by otitis media and appear more likely to be endocrine active.
(9) Reasoning ability in crows was investigated by means of the Revecz-Krushinskiĭ test, in which the bird has to apprehend the rule of stimulus (food bait) displacement: "In each next trial the food bait is hidden in a new place--one step further along the row".
(10) "Every exchange you have with a witness will be analysed and considered in order to reveal a hidden agenda.
(11) The Tony Abbott lecturing the American president on taxation fairness is, of course, the one who as Australian prime minister is presiding over policies of taxation amnesty for the richest Australians who have themselves offshored their hidden wealth, capping their taxable liability to merely the last four years.
(12) A world of hidden wealth: why we are shining a light offshore Read more However, the Nahmad lawyers have also insisted that because the painting is not in New York and the IAC is based in Panama, the court case should not be allowed to proceed in the US.
(13) On a dreich November evening in Gourock, a red-coated mongrel is wandering between the seats in a room above a pub, pausing to sniff handbags for hidden treats.
(14) This paper describes a series of young patients hospitalized in a psychiatric facility because they presented symptoms indicative of a psychotic disorder when, in fact, the youngsters were dealing with the strain of keeping a family secret hidden.
(15) Hidden City writer Karl Whitney on Dublin Read more And now for a pint of the black stuff Ireland’s capital is awash with history but no visit would be complete without a sample of the black stuff.
(16) Seeing the faces in my dark room or on my laptop screen brings back the hidden emotions and memories, often leaving me in tears and unable to carry on with my work.
(17) Photograph: Casey Orr for the Observer There is money here, but it’s hidden, a golden hare.
(18) Here the authors consider the possibility of discovery and evaluation of various hidden conditions of malnutrition in patients suffering of valvular heart disease--depending or not from the cardiopathy itself--and their complex pathogenesis, to correct at the end such condition and offer the patients an optimal prognosis with therapeutical procedures.
(19) It said Clinton's "cheap shots" had a hidden agenda to discredit China's engagement with Africa and "drive a wedge between China and Africa for the US selfish gain."
(20) Once the fungus enters the hair cortex just above the hair bulb, it produces myriads of spores that remain trapped and hidden beneath the cuticle for the length of the intact hair.