What's the difference between block and slab?

Block


Definition:

  • (v. t.) A piece of wood more or less bulky; a solid mass of wood, stone, etc., usually with one or more plane, or approximately plane, faces; as, a block on which a butcher chops his meat; a block by which to mount a horse; children's playing blocks, etc.
  • (v. t.) The solid piece of wood on which condemned persons lay their necks when they are beheaded.
  • (v. t.) The wooden mold on which hats, bonnets, etc., are shaped.
  • (v. t.) The pattern or shape of a hat.
  • (v. t.) A large or long building divided into separate houses or shops, or a number of houses or shops built in contact with each other so as to form one building; a row of houses or shops.
  • (v. t.) A square, or portion of a city inclosed by streets, whether occupied by buildings or not.
  • (v. t.) A grooved pulley or sheave incased in a frame or shell which is provided with a hook, eye, or strap, by which it may be attached to an object. It is used to change the direction of motion, as in raising a heavy object that can not be conveniently reached, and also, when two or more such sheaves are compounded, to change the rate of motion, or to exert increased force; -- used especially in the rigging of ships, and in tackles.
  • (v. t.) The perch on which a bird of prey is kept.
  • (v. t.) Any obstruction, or cause of obstruction; a stop; a hindrance; an obstacle; as, a block in the way.
  • (v. t.) A piece of box or other wood for engravers' work.
  • (v. t.) A piece of hard wood (as mahogany or cherry) on which a stereotype or electrotype plate is mounted to make it type high.
  • (v. t.) A blockhead; a stupid fellow; a dolt.
  • (v. t.) A section of a railroad where the block system is used. See Block system, below.
  • (n.) To obstruct so as to prevent passage or progress; to prevent passage from, through, or into, by obstructing the way; -- used both of persons and things; -- often followed by up; as, to block up a road or harbor.
  • (n.) To secure or support by means of blocks; to secure, as two boards at their angles of intersection, by pieces of wood glued to each.
  • (n.) To shape on, or stamp with, a block; as, to block a hat.

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) The effects of sessions, individual characteristics, group behavior, sedative medications, and pharmacological anticipation, on simple visual and auditory reaction time were evaluated with a randomized block design.
  • (3) In addition, DDT blocked succinate dehydrogenase and the cytochrome b-c span of the electron transport chain, which also secondarily reduced ATP synthesis.
  • (4) Subsequently, the study of bundle branch block and A-V block cases revealed that no explicit correlation existed between histopathological changes and functional disturbances nor between disturbances in conduction (i.e.
  • (5) beta-Endorphin blocked the development of fighting responses when a low footshock intensity was used, but facilitated it when a high shock intensity was delivered.
  • (6) However, some contactless transactions are processed offline so may not appear on a customer’s account until after the block has been applied.” It says payments that had been made offline on the day of cancellation may be applied to accounts and would be refunded when the customer identified them; payments made on days after the cancellation will not be taken from an account.
  • (7) Complete heart block was produced in 20 of 20 dogs.
  • (8) A strong block to the elongation of nascent RNA transcripts by RNA polymerase II occurs in the 5' part of the mammalian c-fos proto-oncogene.
  • (9) In this case, actinomycin D does not block the reinduction of N-acetyltransferase by isoproterenol or by dibutyryl cyclic AMP.
  • (10) The latter result indicates that the dexamethasone block is upstream from release of esterified arachidonic acid.
  • (11) A triphasic pattern was evident for the neck moments including a small phase which represented a seating of the headform on the nodding blocks of the uppermost ATD neck segment, and two larger phases of opposite polarity which represented the motion of the head relative to the trunk during the first 350 ms after impact.
  • (12) I hope this movement will continue and spread for it has within itself the power to stand up to fascism, be victorious in the face of extremism and say no to oppressive political powers everywhere.” Appearing via videolink from Tehran, and joined by London mayor Sadiq Khan and Palme d’Or winner Mike Leigh, Farhadi said: “We are all citizens of the world and I will endeavour to protect and spread this unity.” The London screening of The Salesman on Sunday evening wasintended to be a show of unity and strength against Trump’s travel ban, which attempted to block arrivals in the US from seven predominantly Muslim countries: Iran, Iraq, Libya, Sudan, Somalia, Syria and Yemen.
  • (13) I felt a much stronger connection with the kids on my home block, who I rode bikes with nightly.
  • (14) It contains 10,000 apartments so far, in blocks that might appear Soviet but for shades of blue, green and yellow.
  • (15) We concluded that ketamine potentiates the Phase I and the Phase II neuromuscular blocks of succinylcholine.
  • (16) Biotin-avidin immunoperoxidase analysis for hCG was performed on all paraffin blocks containing carcinoma-in-situ, grade I, grade II, and grade III transitional cell carcinoma.
  • (17) Blocking the heparin-binding domains of fibronectin inhibited osteoblast attachment by 40-45%, which is complementary to inhibition results previously obtained with the RGDS tetrapeptide.
  • (18) The results indicated that smoke, as opposed to sham puffs, significantly reduced reports of cigarette craving, and local anesthesia significantly blocked this immediate reduction in craving produced by smoke inhalation.
  • (19) In a control study an inert stereoisomer, d-propranolol, did not block the ocular dominance shift.
  • (20) Blocks of hippocampal tissue containing the fascia dentata were taken from late embryonic and newborn rats and transplanted to the hippocampal region of other newborn and young adult rats.

Slab


Definition:

  • (n.) A thin piece of anything, especially of marble or other stone, having plane surfaces.
  • (n.) An outside piece taken from a log or timber in sawing it into boards, planks, etc.
  • (n.) The wryneck.
  • (n.) The slack part of a sail.
  • (a.) Thick; viscous.
  • (n.) That which is slimy or viscous; moist earth; mud; also, a puddle.

Example Sentences:

  • (1) Multiple overlapping thin 3D slab acquisition is presented as a magnitude contrast (time of flight) technique which combines advantages from multiple thin slice 2D and direct 3D volume acquisitions to obtain high-resolution cross-sectional images of vessel detail.
  • (2) This study investigates the photoneutron field found in medical accelerator rooms with primary barriers constructed of metal slabs plus concrete.
  • (3) In order to study the effects of different glass ionomers on the metabolism of Streptococcus mutans, test slabs of freshly mixed conventional glass ionomer (Fuji), silver glass ionomer (Ketac-Silver), composite (Silux), and 2-week-old Fuji were fitted into the bottom of a test tube.
  • (4) The native phosphoprotein has an approximate sedimentation coefficient of 14.8 S. On sodium dodecyl sulfate-polyacrylamide slab gel electrophoresis, the protein dissociated into identical subunits of Mr = 128,000.
  • (5) Through small and large acts of deprivation and destruction we follow the process: the removal of hope, of dignity, of luxury, of necessity, of self; the reduction of a man to a hoarder of grey slabs of bread and the scrapings of a soup bowl (wonderfully told all this, with a novelist's gift for detail and sometimes very nearly comic surprise), to the confinement of a narrow bed – in which there is "not even any room to be afraid" – with a stranger who doesn't speak your language, to the cruel illogicality of hating a fellow victim of oppression more than you hate the oppressor himself – one torment following another, and even the bleak comfort of thinking you might have touched rock bottom denied you as, when the most immediate cause of a particular stress comes to an end, "you are grievously amazed to see that another one lies behind; and in reality a whole series of others".
  • (6) Stains-All treatment of slab gels showed that the cross-reactive peptide stained metachromatically blue, similarly to SR CS.
  • (7) The serum material extracted from the slab gel was purified from SDS and further fractionated by reverse-phase high performance liquid chromatography (HPLC).
  • (8) It is suggested that (1) in the chronically neuronally isolated cortical slab there is normally no spontaneous adrenergic activity, (2) a cortical, cholinergic inhibitory mechanism, previously described, is modulated by ascending adrenergic influences, (3) adrenergic cholinergic linkages might be arranged in the cortex in an alternating network, as proposed by Feldberg.
  • (9) These proteins were further separated on slab SDS gels and protein bands were excised after Coomassie Brilliant Blue R-250 staining and used to inject three rabbits.
  • (10) A system for analyzing covalent modifications of elongation factor-2 (eEF-2) by one-dimensional isoelectric focusing in slab polyacrylamide gels is described.
  • (11) Slabs were re-embedded in resin and 5 microns sections cut for routine undecalcified histological staining.
  • (12) A new prealbumin plasma esterase was demonstrated by the use of miniaturized polyacrylamide slab gel electrophoresis.
  • (13) Many neurons of this longitudinal slab which we have named the basal forebrain cell column, originate from an ependymal matrix closely associated with the ventral diencephalic sulcus and later become associated with the basal forebrain bundle.
  • (14) The water inside the channel was considered through a continuum medium using the dielectric constant of the bulk, and the membrane contribution was included using the virtual images of the pore in a dielectric slab of epsilon = 3.
  • (15) Protein band positions on a slab polyacrylamide gel were determined without staining, by blotting the bands onto a nitrocellulose membrane which was then stained to visualize the electrophoretic pattern.
  • (16) The front surface slab-off and bicentric produce base-up prism in the lower section of the lens.
  • (17) A small air cavity to measure ionization is embedded in the polystyrene slab at the boundary facing the backscatterer.
  • (18) Resembling a billhook, with Foule Crag its wickedly curved tip, this final flourish looks daunting but can be skirted to one side, up awkward slabs.
  • (19) Sandwood Bay in Scotland Photograph: Alamy Am Buachaille, a rocky sea stack, stood guard-like to one side, the giant grey slabs which cut into the sea were bathed in frothing waves, and the dim glow of the Cape Wrath lighthouse sent out a muted white beam beyond the cliffs to my right.
  • (20) The occurrence of molecular forms in protease-solubilized AChE was investigated by means of centrifugation analysis and slab gel electrophoresis.