What's the difference between barometer and null?

Barometer


Definition:

  • (n.) An instrument for determining the weight or pressure of the atmosphere, and hence for judging of the probable changes of weather, or for ascertaining the height of any ascent.

Example Sentences:

  • (1) Both are barometers of acceptable levels of violent punishment and their elimination is a hallmark of a maturing and decent society.
  • (2) In the Caribbean , resort costs have fallen sharply in Barbados, accounting for a 26% drop in the barometer basket to £84.24.
  • (3) Our Guardian Cities global city brand barometer certainly saw the pressure rise in the comments thread.
  • (4) These data suggest that the clinical neurological examination alone is not an adequate barometer to predict neurourological dysfunction and that video-urodynamic evaluation provides a more precise diagnosis for each patient.
  • (5) The Stoke contest is likely to offer the clearest barometer since the referendum of whether leave-voting Labour supporters still trust the party.
  • (6) Our recent Manufacturing Barometer survey, which questioned the leaders of over 500 businesses, provides strong clues as to why manufacturers are bucking the trend and, more importantly, how they are doing it.
  • (7) Despite Hooper's triumph at the Directors Guild of America awards a month ago , which are generally considered an accurate barometer of the Academy's intentions (only six times in their 63-year history have they not correlated), momentum had seemed to be falling back into the hands of David Fincher, who took both the Golden Globe and the Bafta two weeks ago.
  • (8) Gavin Kibble, the project manager at Coventry foodbank, which fed 7,500 people in 2010-11, its first year of operation, described the foodbank as a "barometer of the state of the nation".
  • (9) Two closely watched barometers of factory activity released on Tuesday were at multi-year lows, reviving concerns about the state of the country’s economy which caused a major sell-off on the world’s financial markets last week .
  • (10) After suffering badly during the recession and the UK's sluggish recovery, Thursday's survey showed that the Purchasing Managers' Index – a barometer of manufacturing's strength – rose from 52.9 in June to 54.6 in July.
  • (11) The latest Euro-barometer of public opinion shows for the first time that overall distrust of the EU outstrips trust, predominantly so in Britain, Germany and France.
  • (12) Legislators not on the secretive panels often look to their colleagues who serve on them as barometers of opinion about the appropriateness of intelligence activities.
  • (13) I know there was discrimination in 1965, but I also know that what we were doing then is not a relevant barometer of what we are doing now in 2013.
  • (14) Dealers and analysts were divided on whether sales figures, which are often read as a barometer of the economy, could sustain their growth throughout the year.
  • (15) It shares first place with Sri Lanka in the annual Post Office Worldwide Holiday Costs Barometer – which compares in-resort prices for a shopping basket of eight items including drinks, suncream and a meal for two – as the best value places to stay out of 42 surveyed.
  • (16) As a key barometer for the mood of the NHS, this is entirely understandable, especially in years when one set of changes after another seemed to loom ahead, waiting to be foisted on a service which could only wait and hope it survived.
  • (17) The presence of traditional fishermen is a barometer of a sea’s health.
  • (18) The Ifo business climate index, a barometer of economic health in Europe's largest economy, rose to 101.4 from 100.0 last month, an increase for the first time since six consecutive declines.
  • (19) Obama’s most vociferous critics are unwilling to call for a re-escalation in Afghanistan, a barometer of how brittle US support for its longest war actually is.
  • (20) The television satirist seen as the barometer for free speech in post-revolutionary Egypt, Bassem Youssef , has ended his show because he feels it is no longer safe to satirise Egyptian politics.

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.