(superl.) Having the color of the clear sky, or a hue resembling it, whether lighter or darker; as, the deep, blue sea; as blue as a sapphire; blue violets.
(superl.) Pale, without redness or glare, -- said of a flame; hence, of the color of burning brimstone, betokening the presence of ghosts or devils; as, the candle burns blue; the air was blue with oaths.
(superl.) Low in spirits; melancholy; as, to feel blue.
(superl.) Suited to produce low spirits; gloomy in prospect; as, thongs looked blue.
(superl.) Severe or over strict in morals; gloom; as, blue and sour religionists; suiting one who is over strict in morals; inculcating an impracticable, severe, or gloomy mortality; as, blue laws.
(superl.) Literary; -- applied to women; -- an abbreviation of bluestocking.
(n.) One of the seven colors into which the rays of light divide themselves, when refracted through a glass prism; the color of the clear sky, or a color resembling that, whether lighter or darker; a pigment having such color. Sometimes, poetically, the sky.
(n.) A pedantic woman; a bluestocking.
(pl.) Low spirits; a fit of despondency; melancholy.
(v. t.) To make blue; to dye of a blue color; to make blue by heating, as metals, etc.
Example Sentences:
(1) Within the outflow tract wall, the labelled cells were enmeshed by strands of alcian blue-stained extracellular matrix.
(2) The most successful dyes were phenocyanin TC, gallein, fluorone black, alizarin cyanin BB and alizarin blue S. Celestin blue B with an iron mordant is quite successful if properly handled to prevent gelling of solutions.
(3) It contains 10,000 apartments so far, in blocks that might appear Soviet but for shades of blue, green and yellow.
(4) Of all materials evaluated, Xantopren Blue and Silene silicone impression materials provided the best results in vivo.
(5) Most notably, retroperitoneal lymph nodes in rabbits remained dark blue up to 28 days after hindlimb endolymphatic instillation of liposomal patent blue.
(6) To selectively stain polyanionic macromolecules of growth plate cartilage and to prevent artifacts induced by aqueous fixation, proximal tibial growth plates were excised from rats, slam-frozen, and freeze-substituted in 100% methanol containing the cationic dye Alcian blue.
(7) The behaviour of the enzyme from Candida utilis and from Baker's yeast on columns of these and of Blue Sepharose CL-6B was examined, together with the behaviour of the contaminating enzyme, ribulose 5-phosphate 3-epimerase (EC 5.1.3.1).
(8) After methylene blue, the gradient in resting potential across the circular layer was greatly reduced or abolished.
(9) Furthermore, Methylene Blue contamination of the standard stain increased the rate of error in image analysis of white blood cell nuclei due to variations of staining intensity.
(10) The purpose was to show whether or not the methylene-blue test can be postponed to the second day.
(11) It was like watching somebody pouring a blue liquid into a glass, it just began filling up.
(12) July 7, 2016 Verified account A blue tick that tells you the user is either an A-list celebrity, a respected authority on an important subject or a BuzzFeed employee.
(13) The amount of formazan obtained after incubating vital cells with Meldola Blue as electron carrier was greater than that obtained with Methylene Blue, menadione, 2,6-dichloroindophenol, 1-methoxyphenazine methosulphate or phenazine methosulphate.
(14) India will have three carriers and both China and India are building blue-water [ocean-going] navies.
(15) On dissected mucosa stained by the PAS-alcian blue whole-mount method the density and distribution of goblet cells in various parts of the middle ear was determined in 13 children, ranging in age from 9 days to 14 years.
(16) The results showed immunostaining to function equally well on frozen and routine sections, and to be superior to Alcian Blue and PAS with regard to morphological detail.
(17) The working women lost their elasticity more rapidly than the nuns, and the male blue collar workers lost their elasticity more rapidly than the male white collar workers.
(18) How often do we use the term depressed to mean disappointed, mildly bummed out or sort of blue?
(19) Microotoscopy showed a blue pulsating mass behind the tympanic membrane.
(20) One day, out of the blue, there's a knock on the door.
Sapphire
Definition:
(n.) Native alumina or aluminium sesquioxide, Al2O3; corundum; esp., the blue transparent variety of corundum, highly prized as a gem.
(n.) The color of the gem; bright blue.
(n.) Any humming bird of the genus Hylocharis, native of South America. The throat and breast are usually bright blue.
(a.) Of or resembling sapphire; sapphirine; blue.
Example Sentences:
(1) CW Nd:YAG light transmitted by fiber optic cable and sapphire crystal was applied transsclerally to the ciliary body of pigmented and albino rabbits.
(2) Diana of the sapphire eyes was rated more perfect than Botticelli's Venus and attracted Bryan Guinness, heir to the brewing fortune, as soon as she was out in society.
(3) However, the forward transmission of Nd-YAG energy through the sapphires varied (SMTR, 85%; MTR, 83%; MTRL, 75%; OS, 54%; LT, 69%).
(4) In order to avoid the drawbacks of the cutting end of the bare optic fibers, it may be covered with sapphire optics which conducts well laser energy.
(5) A contact artificial sapphire, developed for use with the Nd:YAG laser, allows the performance of open surgery (laser probe) and has endoscopic applications for the treatment of gastrointestinal bleeding (micro laser tip) and tumors (micro laser rod).
(6) A spokesman for the Metropolitan Police had said: "Officers from Sapphire are investigating an allegation of rape which happened on 6 May in the west London area.
(7) Post-mortem aortic specimens of normal wall, lipomatous and calcified plaques were exposed to both continuous wave lasers (argon, neodymium-YAG 1064 nm) coupled to hot-tipped or sapphire tipped fibres and pulsed lasers (Excimer 193 nm, CO2, erbium-YAG).
(8) We report our first 20 cases of peripheral laser angioplasty using an optic fibre with contact sapphire tip.
(9) Contact probes made from synthetic sapphire crystal, designed for general laser surgery, are currently being evaluated for use in laser angioplasty.
(10) Apple has entered into a joint venture in the US with GT Advanced to build plants and furnaces able to produce sapphire in industrial quantities for a “critical component” that it said in trade documents would be shipped abroad for assembly.
(11) However, variation in the thermal and optical properties of sapphires from different sources has been demonstrated.
(12) The old warehouses that edge the small pebble beach and sapphire-blue water are still owned by the same families, but they have now been converted into a rather special hotel.
(13) The authors undertook an investigation to evaluate the efficacy and complications of performing internal sclerostomy with the synthetic sapphire contact neodymium:YAG (Nd:YAG) laser compared with standard external thermal sclerostomy.
(14) From a sapphire and diamond brooch to a humble bag of salt, the Queen picked up an eclectic haul of official gifts during the year she became Britain’s longest-reigning monarch.
(15) The sapphire home button of the iPhone 5S resisted all scratches from both sandpapers.
(16) Complicated hemangiomas of the hand or upper extremity have been resected in eight patients with use of the YAG laser with sapphire scalpels.
(17) An Nd-YAG laser and an optical fiber delivery system with a sapphire tip serving as a contact probe were used for PTLA.
(18) In conclusion, our results show that CO2 perfusion facilitates more effective laser ablation of atheromatous plaque than saline perfusion by the sapphire probe with the continuous wave Nd-YAG laser.
(19) Transvitreal pars plana sclerotomy using the contact Nd:YAG laser with a sapphire probe was performed on a group of rabbit eyes and compared with a similar procedure performed with a Ziegler knife.
(20) Results revealed that the adherence to target tissue and tissue damage were more apparent with metal caps than those with sapphire tips.