(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.
Dork
Definition:
Example Sentences:
(1) You were well served by my distinguished stand-ins, however, and thanks go to them, too, for keeping Dork Talk alive.
(2) Mark Mayer, 38, from Dorking in Surrey, says he faces a similar problem in that his cerebral palsy is not always immediately obvious.
(3) Richard Barklie, 50, from Carrickfergus, Co Antrim, Joshua Parsons, 20, from Dorking, Surrey, and William Simpson, 26, from Ashford, Surrey, were each banned from football matches for five years – the maximum period allowed.
(4) His memoirs are wholly uninformative about his motivations and, though called The Turbulent Years, make the Thatcher governments sound about as turbulent as a drizzly morning in Dorking.
(5) Were these dorks themselves "role models" as broadcasters they might learn to parse syntactically and grammatically correct sentences in comprehensibly accented English.
(6) He claims to have owned the second Macintosh computer bought in the UK (the first apparently went to Douglas Adams) and until last year wrote the Dork Talk technology column for the Guardian.
(7) Sharon Campbell Dorking, Surrey • Ann Farmer ( Letters , 15 July) seems concerned that to debate assisted dying gives the message that we don't value the lives of people with disabilities.
(8) 12.30pm BST Lord Baker of Dorking used his speech to remind the house of the relatively recent introduction of the concept of compassion to prosecutions against those who assist others to die.
(9) Friends Life employs 3,700 people in the UK, with its largest operation in Bristol, and smaller offices in Dorking.
(10) Guardian columnist Polly Toynbee chairs a panel that includes Melissa Benn, Lord Baker of Dorking and Cambridge academic Prof Robin Alexander.
(11) Now 76 and transmuted into Lord Baker of Dorking, he is smiling again as – in his office at 4 Millbank, a few yards from the houses of parliament and with ITN just across the corridor – he outlines his latest vision for English education.
(12) Garrett, with Danielle Molinari and Jo Dorking, meanwhile, live in social housing in Hoxton that has just been bought by a consortium part-owned by Conservative MP Richard Benyon: rents are expected to go up to market rates of £400-£600 a week.
(13) Then there is the mystery of Halina Żaboklicka, a Polish woman whose treasured letters were found in the pub’s old barn during a clear-out in 1995 by the then owners Jo Dorkings and Joe Stephens.
(14) After allowance for age, sex, social class, and severity of symptoms, subjects in the northern towns of Arbroath and Peterlee who had suffered from low back pain in the past year were three to four times as likely to have consulted their doctor about the problem as those living in the southern towns of St Austell and Dorking.