What's the difference between frustrated and null?

Frustrated


Definition:

  • (imp. & p. p.) of Frustrate

Example Sentences:

  • (1) Michael Schumacher’s manager hopes F1 champion ‘will be here again one day’ Read more Last year, Red Bull were frustrated by Mercedes, Ferrari and Honda as they desperately looked for a new engine supplier.
  • (2) He had been extremely frustrated that indicators of economic recovery over the past few days had been drowned out by the clamour over the Labour leadership.
  • (3) Gallic wine sales in the UK have been tumbling for the past 20 years, but the news that France, once the largest exporter to these shores, has slipped behind Australia, the United States, Italy and now South Africa will have producers gnawing their knuckles in frustration.
  • (4) The pattern of results is consistent with a role for the dorsal bundle in attentional processes but appears to contradict the predictions required if the dorsal bundle were to have a role in frustrative nonreward.
  • (5) The former Stoke City manager Pulis had reportedly been left frustrated by the club failing to push through deals for various players he targeted to strengthen the Palace squad.
  • (6) At the weekend the couple’s daughter, Holly Graham, 29, expressed frustration at the lack of information coming from the Foreign Office and the tour operator that her parents travelled with.
  • (7) Conclusion 1 says that "deliberate attempts were made to frustrate these interviews" – which appears to be an exaggeration.
  • (8) It is deeply moving hearing him talk now – as if from the grave – about a Christmas Day when he felt so frustrated and cut-off from his family that he had to go into the office to escape.
  • (9) "It's immensely frustrating and I've got to the point now where I can't do internships," he said.
  • (10) The announcement comes amid mounting frustration in the international community over Israel’s continued settlement activity, regarded by many countries as illegal.
  • (11) Hinton-Teoh says: “People are frustrated because it’s taken so long, there’s a valid frustration of the laboured nature of achieving marriage equality.
  • (12) In many ways, perhaps, but it also must be hugely frustrating for Arsenal’s followers that their team waited until the second leg before reminding us of their qualities.
  • (13) It frustrates customers, eats up their data allowance and can jeopardise their privacy.
  • (14) These results support Frankl's theory that sexual frustration may be a manifestation of a more general existential frustration.
  • (15) Manchester City frustrated by Everton and Sterling’s late penalty claim Read more More than anyone, Giroud took the game to Liverpool.
  • (16) His normally excellent first touch often let him down and he grew frustrated with the constant attention he received from his Colombian markers.
  • (17) Are we moving from a culture where MPs stayed in parliament until booted out, to one where many do five years and move on, frustrated and exhausted?
  • (18) Though the exercises have given the US a chance to vent its frustration at what appears to be state-sponsored espionage and theft on an industrial scale, China has been belligerent.
  • (19) In the not too distant past, veterinarians, frustrated by lack of technical competence, ignored the emotional needs of clients.
  • (20) Troh, a 54-year-old nursing assistant, issued a statement on Wednesday that said: “I trust a thorough examination will take place regarding all aspects of his care … I am now dealing with the sorrow and anger that his son was not able to see him before he died.” That appeared to be a reference to frustration at the hospital’s initial failure to diagnose him correctly, and a delay of several days before they treated him with experimental drugs.

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.