(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.
Lark
Definition:
(v. i.) A frolic; a jolly time.
(v. i.) To sport; to frolic.
(n.) Any one numerous species of singing birds of the genus Alauda and allied genera (family Alaudidae). They mostly belong to Europe, Asia, and Northern Africa. In America they are represented by the shore larks, or horned by the shore larks, or horned larks, of the genus Otocoris. The true larks have holaspidean tarsi, very long hind claws, and usually, dull, sandy brown colors.
(v. i.) To catch larks; as, to go larking.
Example Sentences:
(1) Owls were more hypnotizable than larks in the morning, and larks were also significantly more hypnotizable in the evening than owls.
(2) The three young men were trying to get to grips with a troubling scene in which they lark about with a baby in its pram, poking it, pulling off its nappy, goading each other until they stone it to death.
(3) Imitating the white, vaudeville television love-to-hate wrestler Gorgeous George, his forecasts bragged the precise round he was going to win, sometimes combining such box-office larks with couplets of doggerel.
(4) Explaining why they continue to increase the size of the UN consolidated appeal each year, despite not acheiving full funding year-on-year, Larke said: “We base our ask on the real needs we assess, not on the money we expect to get - to do so the other way round would be dishonest.
(5) This is Ferguson in his element, larking about with a world-class footballer whose development he has overseen from the star's late teenage years.
(6) Lacking self-confidence and plagued by ill-health, she was hospitalised several times during the 1950s, and took failure hard, blaming herself in particular for the lack of success of Jean Anouilh's The Lark, in which she starred as St Joan in 1955.
(7) I look at my Instagram the week before [the tweets], and I was happy as a lark.
(8) And all three looked as if they were ready to Snapchat their larking pose to all their schoolfriends.
(9) It’s not just readers who nonetheless see North Korea as a bit of a lark.
(10) Someone suggested speaking to a newsagent in Lark Lane, others a supermarket in Lodge Lane that reflects the multi-ethnic nature of Toxteth.
(11) Thinking it was quite a lark we joined in and the ensuing 10-minute interval on the hallowed turf was a carnival atmosphere with much fun had by all, the highlight being the conga lines dancing to the chant of 'Bulstrode is a wanker'.
(12) We see the upturned faces of the soldiers as they look for the larks in one of Rosenberg's most famous poems, "Returning, We Hear the Larks".
(13) Studies of Maaløe, Lark, and others with amino acid- and thymine-starved cultures revealed successive steps in the biosynthesis of Escherichia coli chromosomes.
(14) Among the rareties: ivory gull, sharp-tailed sandpiper, lark sparrow and warblers from every corner of the western hemisphere.
(15) Ah, another opportunity for Hairy Dave to lark about the dancefloor in a comedy fashion.
(16) It’s quite probable that a large number of these “signatures” are some combination of a lark and the same yahoos signing multiple times.
(17) * A soft siffle, high in the air like a distant lark, or the note of a penny whistle, faint and falling.
(18) Then Antiques Roadshow drew 6.92 million (26.4%) in the next hour, while Lark Rise to Candleford had 6.31 million (23%) in the 8pm hour.
(19) I fantasise that maybe one of those people will read the article and think "I'm going to give this gaming lark a try" and that they will buy a console on their way home from work, and that it'll change their life for the better.
(20) Seemingly spontaneous holiday larks abound; we're one puddle of purple vomit away from the dream Brits abroad weekend.