(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.
Wreak
Definition:
(v. i.) To reck; to care.
(v. t.) To revenge; to avenge.
(v. t.) To execute in vengeance or passion; to inflict; to hurl or drive; as, to wreak vengeance on an enemy.
(1) Even digital news, which has wreaked havoc on all other news, finds the advertising revenues that support it dwindling (or failing to grow).
(2) Last month, for example, the Daily Telegraph's Peter Oborne bemoaned their "devastating" fate, in a piece worth quoting at reasonable length, if only to prove that the idea of an out-of-touch elite blithely wreaking havoc is not the preserve of hard-bitten lefties.
(3) It was a fairly valiant attempt from Manchester United , but as their players grew leggy from chasing shadows, they dropped deep and let Arjen Robben and Franck Ribery wreak their unique brand of havoc.
(4) Rajoy’s hope is that Sánchez’s failure in the upcoming investiture vote wreaks havoc inside the PSOE, potentially opening the door to a scenario that might favour him.
(5) Hardly any development funding for implementation has been disbursed.” 68 million children likely to die by 2030 from preventable causes, report says Read more Dr David Richmond, president of the Royal College of Obstetricians and Gynaecologists, said the series offered a “wake-up call to governments worldwide to make faster progress in reducing the number of stillbirths, which wreak untold damage on families, care givers and communities”.
(6) Six years later, as the cultural revolution wreaked havoc, young Xi was dispatched to the dusty, impoverished north-western province of Shaanxi to "learn from the masses".
(7) Chief executive John Walden said retailers have learned their lesson from last year’s Black Friday sales bonanza, which wreaked havoc on the high street and hit shops’ profits in the run-up to Christmas.
(8) Walk more Saño, who shot to fame in 2013 for breaking down in tears and fasting for two weeks at UN climate talks after typhoon Haiyan wreaked havoc in his country, is currently walking 1,500km from Rome to this year’s conference in Paris.
(9) These and other voters could also be attracted to the AfD by media reports that a strong showing for the party could wreak havoc with parliamentary arithmetic.
(10) But the US, Israel and other western spy agencies have also spent years slipping faulty parts into black market consignments of equipment heading to Iran – each designed to wreak havoc inside the delicate machinery requirement for enrichment.
(11) On the Apollo missions, lunar dust got everywhere – the crews inhaled it and got it in their eyes, and it wreaked mechanical havoc – and on Mars the dust is even more problematic, because it is highly oxidised, chemically reactive, electrically charged and windblown.
(12) It's also the product of the wider crisis of neoliberal capitalism that first erupted in the banking system five years ago and has since wreaked havoc on public finances, jobs, services and living standards throughout the western world.
(13) The tragedy is that there is a growing number of people in the Labour Party – perhaps even Ed Miliband – who believe that they can manipulate industrial unrest to wreak revenge for their electoral defeats.
(14) Accepting that a Greek default was now impossible to avoid, EU governments are hoping it will be brief and "selective", not triggering a "credit event" on the financial markets that could wreak havoc on the credit default swap markets, also in the US, and unleash contagion.
(15) The tobacco industry implies that the demise of tobacco consumption would wreak havoc with the economy.
(16) There wasn't some evil plan hatched behind closed doors to wreak socio-economic havoc.
(17) Photograph: Alderac Entertainment Group King of Tokyo Based on the public-domain dice game Yahtzee, King of Tokyo transforms players into giant monsters competing to wreak destruction on the Japanese capital.
(18) As temperatures warm,” he said, “things on higher elevations get warmer and things on lower elevations move up.” Bark beetles, once killed by cold winters, are now surviving and wreaking havoc with trees.
(19) The south-east of England is most at risk from these invaders which can prey on native British freshwater species, substantially alter the ecology of waterways and wreak economic damage by blocking water pipes, according to a new study by a University of Cambridge team.
(20) Rain and wind continued to wreak havoc across the UK this weekend, with south-west England and Wales battered by gusts of up to 71mph.