What's the difference between null and void?

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.

Void


Definition:

  • (a.) Containing nothing; empty; vacant; not occupied; not filled.
  • (a.) Having no incumbent; unoccupied; -- said of offices and the like.
  • (a.) Being without; destitute; free; wanting; devoid; as, void of learning, or of common use.
  • (a.) Not producing any effect; ineffectual; vain.
  • (a.) Containing no immaterial quality; destitute of mind or soul.
  • (a.) Of no legal force or effect, incapable of confirmation or ratification; null. Cf. Voidable, 2.
  • (n.) An empty space; a vacuum.
  • (a.) To remove the contents of; to make or leave vacant or empty; to quit; to leave; as, to void a table.
  • (a.) To throw or send out; to evacuate; to emit; to discharge; as, to void excrements.
  • (a.) To render void; to make to be of no validity or effect; to vacate; to annul; to nullify.
  • (v. i.) To be emitted or evacuated.

Example Sentences:

  • (1) Stimulation with these electrodes were effective for inducing voiding with little residual volume after the recovery of bladder reflexes, 3 weeks after experimental spinal cord injury in the dog.
  • (2) The Lex antigen was present in the void volume fraction of the majority (85%) of sera from adenocarcinoma patients.
  • (3) To facilitate detoxification, the centrifuge is employed to provide plasma rich in toxins, but void of potentially interfering blood components such as platelets and whole blood cells.
  • (4) The acquisition of dryness is accelerated by eradication of bacteriuria and a sympathetic and energetic management regime, which should place responsibility on the child and result in the child voiding more frequently and completely.
  • (5) Excretory urogram revealed bilateral hydronephrosis and voiding cystogram revealed VUR on left ureter.
  • (6) Primary invasive adenocarcinoma of the bladder was diagnosed in a fifty-two-year-old male with a two-month history of irritative voiding symptoms.
  • (7) Residual urine volume and urine voiding efficiency are also calculated.
  • (8) During unstable detrusor contractions, which even in these healthy women are observed during bladder filling and also during inhibited voidings through the urethra, the contraction is weaker.
  • (9) Some of this LPS-associated polysaccharide eluted as the void volume of a G-100 column but differed from PS by its lack of galactose and arabinose.
  • (10) Cytological examination of voided urine is an established investigation in urological practice.
  • (11) At 12 months TURP had also improved micturition time and voided volume, which TUI had not.
  • (12) Chlamydia trachomatis was detected from first-voided urine sediments of 97 male patients with urethritis by polymerase chain reaction (PCR).
  • (13) SEM of the resulting surface showed rounded fragments of enamel rods, enamel melting, cracks, and smooth-edged voids.
  • (14) By 16 weeks, fibrocartilage had filled the void in the curetted disc spaces.
  • (15) Both the void volume protein peak and the procoagulant activity peak from the 0.25 M calcium chloride-agarose gel column support ristocetin-induced platelet aggregation.
  • (16) It is concluded that imaging of the urinary tract is not necessary for pure nightwetters, while ultrasonography or uroflowmetry and more sophisticated radiological or urological methods should be focused on those children with daytime wetting and clinical symptoms of voiding disturbances.
  • (17) Cation exchange chromatography on carboxymethylcellulose-Sephadex with a starting buffer of pH 5 containing 2 mM CHAPS plus 20 mM beta-OG, followed by a pH 8 buffer, showed a very small OD peak at the void volume (P) and a second peak with about 95% of the protein (E).
  • (18) The one peak which was common to both sera appeared with the void volume and was identified as albumin.
  • (19) The first peak eluted at the void volume containing lipoproteins, alpha 2- and beta 2-macroglobulins, and the second peak at the fraction of albumin.
  • (20) Oxendolone + bunazosin tended to show a better clinical efficacy than the other of these regimens, when the improvement was defined as that with more than one degree in the severity of retarded voiding, prolonged voiding, urinary stream condition, abdominal pressure on voiding and residual urine sensation.