What's the difference between leave and null?

Leave


Definition:

  • (v. i.) To send out leaves; to leaf; -- often with out.
  • (v. t.) To raise; to levy.
  • (n.) Liberty granted by which restraint or illegality is removed; permission; allowance; license.
  • (n.) The act of leaving or departing; a formal parting; a leaving; farewell; adieu; -- used chiefly in the phrase, to take leave, i. e., literally, to take permission to go.
  • (v.) To withdraw one's self from; to go away from; to depart from; as, to leave the house.
  • (v.) To let remain unremoved or undone; to let stay or continue, in distinction from what is removed or changed.
  • (v.) To cease from; to desist from; to abstain from.
  • (v.) To desert; to abandon; to forsake; hence, to give up; to relinquish.
  • (v.) To let be or do without interference; as, I left him to his reflections; I leave my hearers to judge.
  • (v.) To put; to place; to deposit; to deliver; to commit; to submit -- with a sense of withdrawing one's self from; as, leave your hat in the hall; we left our cards; to leave the matter to arbitrators.
  • (v.) To have remaining at death; hence, to bequeath; as, he left a large estate; he left a good name; he left a legacy to his niece.
  • (v. i.) To depart; to set out.
  • (v. i.) To cease; to desist; to leave off.

Example Sentences:

  • (1) Application of 40 microM NiCl2 reversibly blocked It while leaving Is intact, whereas 20 microM CdCl2 reversibly blocked Is, but not It.
  • (2) With the exception of PMMA and PTFE, all plastics leave a very heavy tar- and soot deposit after burning.
  • (3) "There is a serious risk that a deal will be agreed between rich countries and tax havens that would leave poor countries out in the cold.
  • (4) "The proposed 'reform' is designed to legitimise this blatantly unfair, police state practice, while leaving the rest of the criminal procedure law as misleading decoration," said Professor Jerome Cohen, an expert on China at New York University's School of Law.
  • (5) Substances with a leaving group at the C-3 position form unsaturated conjugated cyclic adducts and are mutagenic only in the His D3052 frameshift strains with an intact excision repair system (no urvA mutation).
  • (6) In a Bloomberg article last week, for example, one Stanford student compared women who get raped to unlocked bicycles : ‘Do I deserve to have my bike stolen if I leave it unlocked on the quad?’ [Chris] Herries, 22, said.
  • (7) D-6-hydroxynicotine oxidase activity was inhibited by the anti-D-antiserum, leaving the L-enzyme fully active, while anti-L-antiserum inhibited the L- but not the D-specific activity.
  • (8) So too his statement that "in Zulu culture you cannot leave a woman if she is ready.
  • (9) There was also acknowledgement for two long-term servants to the men’s game who will both leave the Premier League for Major League Soccer this summer.
  • (10) Swedes tend to see generous shared parental leave as good for the economy, since it prevents the nation's investment in women's education and expertise from going to waste.
  • (11) A failure to reach a solution would potentially leave 200,000 homes without affordable cover, leaving owners unable to sell their properties and potentially exposing them to financial hardship.
  • (12) Guardian Australia reported last week that morale at the national laboratory had fallen dramatically, with one in three staff “seriously considering” leaving their jobs in the wake of the cuts.
  • (13) A series of hierarchical multiple regressions revealed the effects of Surgency, Agreeableness, Conscientiousness, Emotional Stability, and Intellect on evoking upset in spouses through condescension (e.g., treating spouse as stupid or inferior), possessiveness (demanding too much time and attention), abuse (slapping spouse), unfaithfulness (having sex with others), inconsiderateness (leaving toilet seat up), moodiness (crying a lot), alcohol abuse (drinking too much alcohol), emotional constriction (hiding emotions to act tough), and self-centeredness (acting selfishly).
  • (14) In the presence of N-ethylmaleimide, the 37-kDA protein was selectively released from immune complexes, leaving the small-t antigen and 61-kDa protein in association.
  • (15) It is understood that Cooper rejected pressure from senior Labour figures last week for both her and Liz Kendall to drop out and leave the way clear for Burnham to contest Corbyn alone.
  • (16) Henderson was given permission to join Fulham when Brendan Rodgers arrived at Anfield in 2012 but has since developed into an important asset for the Liverpool manager, to the extent that the 24-year-old is the leading candidate to succeed Steven Gerrard as club captain when the 34-year-old leaves for LA Galaxy.
  • (17) Either reagent dislocates FAD from the holoenzyme, leaving a characteristic mercaptide derivative of the apoenzyme.
  • (18) By using an interactive computer program to assess knowledge of the American Cancer Society cancer screening guidelines in a group of 306 family physicians, we found that knowledge of this subject continues to leave room for improvement.
  • (19) The review will now be delayed for five years, leaving the next election to be fought on the existing constituency boundaries, and seriously damaging David Cameron's chances of winning an overall majority in 2015.
  • (20) It ended with a withering putdown: “I’m leaving Downing Street 10 times more sceptical than I was before ,” Juncker told his host.

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.