(n.) A reflection of a milky or pearly light from the interior of a mineral, as in the moonstone; the state or quality of being opalescent.
Example Sentences:
(1) Among both exposed and non-exposed aged over 45, there were no significant differences with regard to the characteristics of lens opacities--prevalence (19 in the 21 exposed; 10 in the 16 non-exposed), distribution of the location, and importance and type (opalescence or discontinuous opacities).
(2) The severity of nuclear opalescence (NO), cortical (C) and posterior subcapular cataract (P) was graded in a masked fashion using the LOCS II standards.
(3) The rate of this reaction can be estimated roughly from the initial rate (Vo) of the accompanying turbidity increase ("super-opalescence") of the acto-S-1 solution.
(4) This may indicate that there is considerable variation in inheritance patterns for hereditary opalescent dentine and that this trait does not always exhibit 100 percent penetrance.
(5) Furthermore, selenite induced the gradual development of opalescence and the oxidation of sulfhydryl in the lens protein solution.
(6) At pH 1-7 the alpha-particles dissociated into their constituent beta-particles with a consequent decrease in the opalescence of the solution.
(7) A family is described in which two females are more severely affected by hereditary opalescent dentine than the males.
(8) Prednisolone-induced aggregates result in an opalescence in the crystallins solution which is reversed by the addition of dithiothreitol.
(9) Residual Triton X-100 was removed from the opalescent vesicle suspension by sucrose density gradient centrifugation and subsequent dialysis.
(10) Shortcomings in previous attempts have been corrected by objectively aligning a "blind" eye with the center of a translucent opalescent screen.
(11) A potential of 100 V was applied for 12 hours, then raised to 200 V for another 12 hours, and finally to 300 V until opalescence appeared at the bottom of the tube.
(12) Colonies of C. perfringens on LLA had typical opalescent zones, a distinctive feature that can aid in presumptive identification.
(13) The presence of the regulatory light chain did not affect hyper-opalescence (or super-opalescence), since there were no significant differences between papain S-1 and chymotryptic S-1 with respect to these phenomena.
(14) We conclude that the most likely mechanism responsible for the zones is a light-scattering effect caused by antibodies attached to the viral surface and that the quality of the opalescence to some extent seems to be dependent on the Fc-fragment.
(15) High activity of MPO was found for retina and lens of healthy men and elderly people with lens opalescence.
(16) The oviposition-stimulating factor was localized in the opalescent gland of the male accessory gland and was transferred to the female via the spermatophore during copulation.
(17) Adjacent filaments in the bundles had a distance of approximately 180 A. Hyper-opalescence occurred at r approximately equal to 1 when KCOOCH3 was used instead of KCl.
(18) Impairment of catalytic efficiency can only be documented in opalescent test solutions in which the insecticides are present in excess of their solubility limit.
(19) We have found that after the initial rise in scattering, there is a further gradual increase in scattering (we call it "super-opalescence").
(20) A fraction possibly corresponding to VHDL (very high density lipoproteins, 77% protein, 23% lipid) was also detected but appeared contaminated by a protein-rich opalescent material.
Sunlight
Definition:
(n.) The light of the sun.
Example Sentences:
(1) The lighting regimen was 14 h light: 10 h dark, supplied by natural diffused sunlight and incandescent bulbs.
(2) The results suggest that chronic sunlight exposure may be associated with an impediment to normal maturation of human dermal collagen resulting in tenuous amount of HHL.
(3) Outdoor sunlight exposure during the workshift and tanning salon use were identified as risk factors; the most severe cutaneous reactions tended to occur among tanning salon users.
(4) Physicians need to prescribe the lowest possible dose of hormones in these women and counsel them to shield their face from sunlight.
(5) The result, you would have to say, is pretty much exactly that: bordered on one side by the library and town hall, and on the other by the tourist office, the 600 sq ms of Rjukan's market square, to be comprehensively remodelled next year in celebration, now bathes in a focused beam of bright sunlight fully 80-90% as intense as the original.
(6) Certain ultraviolet wavelengths (UVB, 290-320 nm) are thought to be responsible for most of the immediate and long-term pathological consequences of excessive exposure to sunlight.
(7) No association was observed between history of sunlight exposure and senile cataract.
(8) Admittedly, minutes earlier Steven Fletcher’s header from a Lens cross had flown only marginally off target but it represented a rare shaft of sunlight.
(9) On the inner surface of what would be rotating habitats, strips of land would alternate with windows to let in sunlight.
(10) People living in the Far East are exposed to bright sunlight all year round so photoageing of exposed skin is inevitable.
(11) I postulate that people near the equator are exposed to more sunlight and that the ultraviolet light from the sunlight aids in the induction of suppressor cells specific for melanocyte associated antigens.
(12) Data for the incidence of basal cell carcinomas (BCCs) and squamous cell carcinomas (SCCs) of the skin, registered for six regions of Norway during 10 years (1976-1985), were used to evaluate the biological amplification factor Ab for induction of these cancers by sunlight.
(13) In an overpopulated future Los Angeles that never sees the sunlight, Deckard is tasked with taking out a gang of replicants (android outlaws) who have escaped to Earth from an off-world colony.
(14) Our field tests had supported the utility of this dosimeter as a reproducible and reliable sunlight dosimeter.
(15) The possibility of insufficient exposure to sunlight could not be determined.
(16) Other triggers included hunger and prolonged exposure to excessive heat or sunlight.
(17) The lips are composed of striated muscle and connective tissue and are anatomically positioned to be maximally exposed to sunlight, environment, food, and tobacco.
(18) Tian Tian, the female, whose name means sweetie, and Yang Guang, meaning sunlight, travelled from China on board a Boeing 777F flight dubbed the FedEx Panda Express, with a vet and two animal handlers.
(19) The disorder first set on after an episode of intensive exposure to sunlight and persisted for 6 years.
(20) When exposed to sunlight creatine kinase was unstable in all the investigated control and patient sera.