What's the difference between blue and null?

Blue


Definition:

  • (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.

Null


Definition:

  • (a.) Of no legal or binding force or validity; of no efficacy; invalid; void; nugatory; useless.
  • (n.) Something that has no force or meaning.
  • (n.) That which has no value; a cipher; zero.
  • (v. t.) To annul.
  • (n.) One of the beads in nulled work.

Example Sentences:

  • (1) Measurements of acetylcholine-induced single-channel conductance and null potentials at the amphibian motor end-plate in solutions containing Na, K, Li and Cs ions (Gage & Van Helden, 1979; J. Physiol.
  • (2) DR(+) cells, however, showed no change in percentage and a lesser drop in absolute numbers, suggesting an increase with advancing disease of DR(+), Ig(-) null cells, which may represent immature B cell precursors.
  • (3) In this report we describe an improvement upon the design by Stanton and Lightfoot for a simple photographic null method to determine the kVp of a diagnostic region x-ray source.
  • (4) At least two (Rh null and the McLeod type) are responsible for congenital hemolytic disorders.
  • (5) (2) Sequences of brightness steps of like polarity (either increments or decrements) elicit positive and negative motion-dependent response components when mimicking motion in the cell's preferred and null direction, respectively.
  • (6) The analysis also involved statistical tests of a modified null hypothesis, the generation of confidence intervals (CIs) and a meta-analysis.
  • (7) The null potential of both responses became more and less negative with a decrease and an increase, respectively, in the extracellular potassium concentration.
  • (8) The null mutation of algR was generated in a mucoid derivative of the standard genetic strain PAO responsive to different environmental factors.
  • (9) Endoneurial fluid pressure (EFP) was recorded by an active, servo-null pressure system after a glass micropipette was inserted into rat sciatic nerve undergoing wallerian degeneration.
  • (10) In thymo-deprived mice (nude mice and B mice) the percentage of null cells increases during the stage of regeneration, and B mice develop a large number of Ig +-bearing cells.
  • (11) Alkaline phosphatase activity was elevated in the lymphocytes from T-CLL, cord blood and tonsils and the blast cells from Null-ALL.
  • (12) Analysis of ldlA cells has identified three classes of mutant alleles at the ldlA locus: null alleles, alleles that code for normally processed receptors that cannot bind LDL, and alleles that code for abnormally processed receptors.
  • (13) Putative null sup-38 mutations cause maternal-effect lethality which is rescued by a wild-type copy of the locus in the zygote.
  • (14) Null cells of patients with hypoplastic anemia did not produce erythroid colonies under any culture conditions.
  • (15) Comparison of simulated versus actual inheritance data demonstrates that the so-called null structural alleles actually produce functional globins.--The genetic controls in Peromyscus may be analogous to those in primates.
  • (16) A null zone and associated sudden phase-reversal of RSA were observed in stratum lucidum of CA3.
  • (17) When the stimulus is placed at a position approximately 80 degrees dorsal to the eye axis, there is no response; this area is called the null region.
  • (18) Northern blot analysis showed that Adh-1 mRNA was synthesized at wild-type levels in immature seeds of the null mutant, but dropped to 25% in mature seeds.
  • (19) Two tumours were null cell adenomas with PIs less than 0.1 and 0.2%.
  • (20) Thus this methodology offers the potential to study naturally occurring ADH electromorphs and null alleles independent of enzymatic activity assays.