What's the difference between empty and null?

Empty


Definition:

  • (superl.) Containing nothing; not holding or having anything within; void of contents or appropriate contents; not filled; -- said of an inclosure, as a box, room, house, etc.; as, an empty chest, room, purse, or pitcher; an empty stomach; empty shackles.
  • (superl.) Free; clear; devoid; -- often with of.
  • (superl.) Having nothing to carry; unburdened.
  • (superl.) Destitute of effect, sincerity, or sense; -- said of language; as, empty words, or threats.
  • (superl.) Unable to satisfy; unsatisfactory; hollow; vain; -- said of pleasure, the world, etc.
  • (superl.) Producing nothing; unfruitful; -- said of a plant or tree; as, an empty vine.
  • (superl.) Destitute of, or lacking, sense, knowledge, or courtesy; as, empty brains; an empty coxcomb.
  • (superl.) Destitute of reality, or real existence; unsubstantial; as, empty dreams.
  • (n.) An empty box, crate, cask, etc.; -- used in commerce, esp. in transportation of freight; as, "special rates for empties."
  • (v. t.) To deprive of the contents; to exhaust; to make void or destitute; to make vacant; to pour out; to discharge; as, to empty a vessel; to empty a well or a cistern.
  • (v. i.) To discharge itself; as, a river empties into the ocean.
  • (v. i.) To become empty.

Example Sentences:

  • (1) However, empty shells can also form independently of intact virions.
  • (2) We have confirmed this directly by showing that pure CCK is a potent inhibitor of gastric emptying.
  • (3) It may, however, be useful to compare local wall dynamics in the more isometrically-contracting basal segment with those in the middle portion which brings about most of the emptying of the ventricle.
  • (4) To investigate the possibility that an abnormality of gastric emptying exists in duodenal ulcer and to determine if such an abnormality persists after ulcer healing, scintigraphic gastric emptying measurements were undertaken in 16 duodenal ulcer patients before, during, and after therapy with cimetidine; in 12 patients with pernicious anemia, and in 12 control subjects.
  • (5) It will act as a further disincentive for women to seek help.” When Background Briefing visited Catherine Haven in February, the refuge looked deserted, and most of its rooms were empty, despite the town having one of the highest domestic violence rates in the state.
  • (6) This study compares the effects of 60 minutes of ischemic arrest with profound topical hypothermia (10 dogs) on myocardial (1) blood flow and distribution (microspheres), (2) metabolism (oxygen and lactate), (3) water content (wet to dry weights), (4) compliance (intraventricular balloon), and (5) performance (isovolumetric function curves) with 180 minutes of cardiopulmonary bypass with the heart in the beating empty state (seven dogs).
  • (7) Gastric emptying curves for all three meals in controls were best described using loge transformed counts.
  • (8) In this ewe, and in 4 of 7 other sheep diagnosed as having abomasal emptying defects, aspartate transaminase and sorbitol dehydrogenase activities were high, and histopathologic evidence of hepatic congestion and ischemia was found.
  • (9) In controls the conduit emptied mainly by means of low pressure, to-and-fro activity.
  • (10) Partly purified virus preparations degraded to empty capsids when incubated in guinea pig serum.
  • (11) A few blocks away there are streets full of empty buildings, signs that the oil boom of the past decade is long past.
  • (12) During heavy exercise at 65-75% of VO2 max, time till exhaustion correlates with the pre-exercise muscle glycogen concentration and exhaustion coincides with empty glycogen stores.
  • (13) On the other hand, esophageal emptying of solid isotopic meals may show the persistence of food in the diverticular sac long time after the meal.
  • (14) But if May rushes headlong into a panicked triggering of article 50 without a clear idea of what she wants out of negotiations, she will have left us at the mercy of 27 countries who have heard little but table-thumping and empty threats from ministers.
  • (15) These findings do not support the contention that selective vagotomy alone allows normal gastric emptying.
  • (16) In those with poor results, four had complete emptying and three had rectoanal intussusception.
  • (17) Facebook Twitter Pinterest José Mourinho launched a withering attack on the lack of atmosphere generated by Chelsea’s home supporters after their 2-1 victory against QPR , saying it felt like his side were playing at an “empty stadium”.
  • (18) His shot, though, was pawed on to the inside of the post by David Marshall and it was left to Victor Wanyama to lash the loose ball into the empty net.
  • (19) Others seek shelter wherever they can – on rented farmland, and in empty houses and disused garages.
  • (20) The results were in line with the suggestion that proteins in food contribute to the slowing of gastric emptying in such a way that isocaloric amounts of carbohydrate and mixed protein have the same effect.

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.