(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.
Postman
Definition:
(n.) A post or courier; a letter carrier.
(n.) One of the two most experienced barristers in the Court of Exchequer, who have precedence in motions; -- so called from the place where he sits. The other of the two is called the tubman.
Example Sentences:
(1) Cultural critic Neil Postman once observed that you can't use smoke signals for philosophical discussions: the communication channel simply doesn't have the necessary bandwidth.
(2) Facebook Twitter Pinterest The shiny new Postman Pat and his helicopter.
(3) Together with his late wife Janet, he wrote 37 titles including perennial favourites The Jolly Postman and Burglar Bill, and by himself he is the author of many more, including The Pencil, and Woof!
(4) "The Postman Always Rings Twice was my starting point," explained Packham.
(5) They were widely derided for being the "Postman Pats" of international terrorism, but the Welsh nationalists' prolific firebombing campaign of holiday cottages begun at the end of the 1970s caused havoc in the rural idyll of the Lleyn peninsula.
(6) The man who has been in charge of the FTSE 100 company since 2005 said his business hero was Margaret Thatcher and that his first job was as a Christmas postman in Essex at the age of 16.
(7) But not in a world where only the postman rings twice.
(8) The Detroit native and longtime postman looks down at the freshly cut grass of old Tiger Stadium for a moment, adding, “If [owners] don’t get their way, they threaten to leave.
(9) Arthur Stone, a 53-year-old postman from Burton upon Trent, is believed to be the first person in Britain to have been rescued by a housing association from having his home repossessed.
(10) Dr Panda’s Postman (£1.79) Another appearance for that moonlighting doctor, this time in Dr Panda’s Postman (or Mailman, as it’s known in the US).
(11) The few passers-by - I have seen no one except the postman for the past two days - stop to tell me that I live in "un petit coin de paradis" - a little bit of heaven.
(12) The assistant gives it to a messenger, who gives it to the postman.
(13) He says it was only a few years ago, when combining postman duties with playing for St Ives Town, that he expected his career to veer in a different direction.
(14) Family members, friends, colleagues, strangers, the postman – they all want to know when I will stop taking the pill and are unable to accept my answer.
(15) By the time the local postman rides, stunned, into frame on his bike, Robbie Ryan already has the shot.
(16) Three members of a farming family and their local postman contracted orf.
(17) Seventy years after the event, one of them would still cry at the memory of the postman bringing the death notice in a brown War Office envelope to her home in Edinburgh.
(18) But the day after Norris's funeral the Detroit Free Press carried just one story from Lansing - about a postman who has been on the same beat for 50 years.
(19) Her hair is left uncovered, except when the postman rings and she goes down to collect a parcel.
(20) Ron Goff, 67, a retired postman and perhaps the only other white resident of Vickie Place, had little sympathy for black motorists who cried racism when stopped and fined.