What's the difference between dent and null?

Dent


Definition:

  • (n.) A stroke; a blow.
  • (n.) A slight depression, or small notch or hollow, made by a blow or by pressure; an indentation.
  • (v. t.) To make a dent upon; to indent.
  • (n.) A tooth, as of a card, a gear wheel, etc.

Example Sentences:

  • (1) Meanwhile, reductions in tax allowances on dividends for company shareholders from £5,000 down to £2,000 represent another dent to the incomes of many business owners.
  • (2) The parameters of LES relaxation for both wet and dry swallows were similar using either a carefully placed single recording orifice or a Dent sleeve.
  • (3) Helen Dent, chief executive of Family Action, said: "It can't be right that going back to school breaks the bank for some families.
  • (4) The disastrous launches of SimCity and Battlefield 4 , the confining and somewhat invasive nature of the publisher’s Origin digital gaming platform and the voraciously monetised smartphone version of Dungeon Keeper, have kicked further dents in its reputation.
  • (5) But no sooner had Hull hopes risen than they were dented by Meyler.
  • (6) The bomb threat tweet was sent to Freeman, the Europe editor of Time magazine, Catherine Mayer, and the Independent columnist Grace Dent, who took a screen grab of the tweet and posted it for her Twitter followers to see .
  • (7) Hypercalcemia of sarcoidosis is associated with a normal or decreased C-terminal parathormone assay and a positive Dent test, as well as elevated serum immunoglobulins and erythrocyte sedimentation rate, and a positive angiotensin-converting enzyme assay.
  • (8) This appears to be no longer true, and the attacks aren’t putting a dent in the polling deadlock.
  • (9) He may need to produce proof promptly if he wants to dent Key's chances of surviving Saturday's election.
  • (10) Abhijit Mukherjee, the son of president Pranab Mukherjee, himself an MP with the ruling Congress party, dismissed protesters after the Delhi rape as "dented and painted women".
  • (11) But the Pennsylvania Republican Charles Dent said: "We don't expect the secret service to take a bullet for the president's staff."
  • (12) In 1976 Dent (Gastroenterology 71: 263-267) introduced a sleeve-catheter device for obtaining continuous recording of lower esophageal sphincter pressure.
  • (13) The decision, which is being contested by the arts world in Germany and beyond, will effectively end the Deutsche Oper am Rhein – considered to be among Germany's 10 leading theatre institutions – and will seriously dent Duisburg's musical theatre and ballet output.
  • (14) "If on the other hand we can shape an agenda that says we can create jobs, advance growth and make a serious dent in climate change and be an international leader I think that is something the American people would support."
  • (15) The report by Dr Androulla Johnstone and Christine Dent for the NHS Health and Social Care Advisory Service describes Savile as “an opportunistic predator who could also on occasions show a high degree of premeditation when planning attacks on his victims”.
  • (16) Moderates “don’t like the idea of taking a vote in the House that may go nowhere in the Senate”, said Charlie Dent of Pennsylvania.
  • (17) Journalist Ticky Hedley Dent shot back: "I think #Mumsnet is key to understanding feminism.
  • (18) But it also has a relatively small number of downloadable apps and very little memory for storing them; no easy way of transferring music files to the device; and the attractiveness of the high-resolution screen is somewhat dented by the fact that it doesn't support "multi-touch" interactions in the way the Apple product does.
  • (19) Recipe supplied by Patrick Hanna, L'Entrepot, lentrepot.co.uk Clams with leek, fennel and parsley Though you could add a twirl of al dente spaghetti or linguine to this dish, it is the fragrant, briny broth that delights – better with a crusty loaf and a spoon.
  • (20) While on paper the US housing market makes up a smaller part of the economy following the crash, new signs of stagnation are likely to dent consumer confidence.

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.

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