(a.) To make dark or black; to deprive of light; to obscure; as, a darkened room.
(a.) To render dim; to deprive of vision.
(a.) To cloud, obscure, or perplex; to render less clear or intelligible.
(a.) To cast a gloom upon.
(a.) To make foul; to sully; to tarnish.
(v. i.) To grow or darker.
Example Sentences:
(1) Immediate pigment darkening (IPD) occurs in human skin upon exposure to ultraviolet-A and visible radiation.
(2) There would never be a meeting in a darkened room where a winner was chosen just to fit an audience demographic or to create more entertaining telly.
(3) Each subject sat for 6 minutes in a darkened room and was told to memorize a list of words she heard form a tape.
(4) Normal, refractile spores were produced in each case; a portion of the barium spores lost refractility and darkened.
(5) Instead of coming to the bank, where we would be photographed coming in the front door, we were all to meet outside the McDonald's in Liverpool Street where we would be picked up in a people-carrier with darkened windows and driven in through the back of the bank.
(6) The final stage of germination was characterized by changes in the central spore region (core), notably phase darkening of the spore center and stainability with mercurochrome, and by a slight additional absorbancy decrease.
(7) Confluent patches of flat pigmentation appeared over the palpebral conjunctiva 18 weeks after the onset of treatment and showed progressive lateral enlargement and darkening.
(8) The 16 sites were qualitatively examined for evidence of resorption by either thinning or darkening of bone relative to the time immediately following surgery.
(9) Today's matches take place in a darkened hall within the stadium's towering walls, on the battlefields of multimillion-selling first-person shoot-'em-up Call of Duty .
(10) alpha-Melanocyte stimulating hormone (alpha-MSH) is a linear tridecapeptide (Ac-Ser-Tyr-Ser-Met-Glu-His-Phe-Arg-Trp-Gly-Lys-Pro-Val-NH2) that has diverse physiological functions in addition to its reversible darkening of amphibian skins by stimulating melanosome dispersion within melanophores.
(11) 1) Asphyxia induced marked body colour darkening and bradycardia.
(12) The most striking feature of such neurons was darkening of their dendrites associated with abnormally high density cytoplasm that contained mitochondria with disrupted cristae.
(13) Braving darkening skies, they were initially in an upbeat mood, belting out the samba rhythm of carnival classic I'm Going to Celebrate.
(14) With official unemployment data today expected to show a further rise in the long-term unemployed, the TUC argues young people were some of the worst affected by Britain's deep recession and their outlook could darken further as public sector job losses intensify.
(15) beta-Adrenoceptor blocking agents, in contrast, inhibit catecholamine-induced darkening but have no effect on MSH-induced darkening.
(16) During the hibernation period, the epiphyseal catecholamine charge is well detected in the garden dormouse; it appears more important in darkened animals at 22 degrees C and much less in animals under continuous lighting.
(17) Melanocyte stimulating hormone-induced darkening or dispersion of the granules was reversed by each of these metabolites.
(18) Reactivation of the enzyme extracted from darkened leaves was achieved simply by adding a thiol compound.
(19) By analyzing the synaptic relationships of such "darkened" dendrites, connections in the upper dorsal horn can be deciphered.
(20) The specific activity of the light enzyme was consistently about twice that of the dark form when assayed at suboptimal (but physiological) pH (pH 7.0-7.3), and the former was also less sensitive to feedback inhibition by L-malate than that from darkened leaves under various conditions.
Eyesight
Definition:
(n.) Sight of the eye; the sense of seeing; view; observation.
Example Sentences:
(1) In 2001 Sorensen suffered a stroke, which seriously damaged his eyesight, but he continued to be involved in a number of organisations, including the Council on Foreign Relations and other charitable and public bodies, until a second stroke in October 2010.
(2) And the question of his eyesight and how it has affected him has dogged him ever since.
(3) Major or complete loss of eyesight is a serious interference with the activity and life of the affected subject.
(4) The average person uses three mechanisms to control their balance; their feet, the inner ear and eyesight.
(5) Many serious disorders that threaten eyesight can now be treated with vitreoretinal surgery.
(6) The child regained her eyesight and had no further neurological problems.
(7) Deterioration of eyesight after the operation is ascribed to the duration of the high intraocular pressure and gradual progression of the proliferative diabetic retinopathy.
(8) Either he was rejected for poor eyesight; or he failed to enlist and instead joined up as an ambulance driver.
(9) Rhian Kelly, head of climate change at the CBI , said: "When we talk to members, the majority of them say the government has climate change firmly within its eyesight, and in that sense, national policy is a far larger driver."
(10) "There has been absolutely no deterioration in my eyesight ….
(11) "It could affect a few organs, his eyesight, his hearing, and it can attack muscles too.
(12) These discoveries led to the use of the seed of the species as an eye medicine for improving the eyesight, and as a tonic for the increase of strength and the elevation of spirit.
(13) Old Man Trump’s eyesight is failing, and he can’t stop trying to nonconsensually force his tongue into his nurse’s mouth.
(14) Members of two Leber families previously published in 1944 (Lundsgård) and 1968 (Seedorff), were traced during the years 1968-1980 and questioned in 1981 about their eyesight.
(15) A study in the Lancet, published in 2014, also claimed to have established a “clear cause–effect relationship” between the use of poppers and eyesight damage since the product’s main ingredient isobutyl nitrite was substituted for isopropyl nitrite following changes to legislation in 2006.
(16) By the end of his career, his poor eyesight meant he conducted entirely from memory.
(17) "My father is traumatised and depressed with the loss of his eyesight.
(18) (2) Last week, Bolshoi dancer Pavel Dmitrichenko was found guilty of ordering an acid attack that damaged the eyesight of the company's artistic director, Sergei Filin.
(19) Time losses for a curative and diagnostic consultation and provision of medical care to invalids of the Ist group with eyesight disorders exceeded the time necessary for rendering care to those who could see by 31-34%.
(20) Brown's allies thought the attack unreasonable because the prime minister's handwriting is affected by his poor eyesight.