What's the difference between block and wall?

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.

Wall


Definition:

  • (n.) A kind of knot often used at the end of a rope; a wall knot; a wale.
  • (n.) A work or structure of stone, brick, or other materials, raised to some height, and intended for defense or security, solid and permanent inclosing fence, as around a field, a park, a town, etc., also, one of the upright inclosing parts of a building or a room.
  • (n.) A defense; a rampart; a means of protection; in the plural, fortifications, in general; works for defense.
  • (n.) An inclosing part of a receptacle or vessel; as, the walls of a steam-engine cylinder.
  • (n.) The side of a level or drift.
  • (n.) The country rock bounding a vein laterally.
  • (v. t.) To inclose with a wall, or as with a wall.
  • (v. t.) To defend by walls, or as if by walls; to fortify.
  • (v. t.) To close or fill with a wall, as a doorway.

Example Sentences:

  • (1) Within the outflow tract wall, the labelled cells were enmeshed by strands of alcian blue-stained extracellular matrix.
  • (2) The rise of malaria despite of control measures involves several factors: the house spraying is no more accepted by a large percentage of house holders and the alternative larviciding has only a limited efficacy; the houses of American Indians have no walls to be sprayed; there is a continuous introduction of parasites by migrants.
  • (3) With aging, the blood vessel wall becomes hyperreactive--presumably because of an augmented vasoconstrictor and a reduced vasodilator responsiveness.
  • (4) At operation, the tumour was identified and excised with part of the aneurysmal wall.
  • (5) The role of whole Mycobacteria, mycobacterial cell walls and waxes D as immunostimulants was well established many years ago.
  • (6) The lesion (10.6 X 9.8 mm) was a well-defined ellipsoid granuloma due to a foreign body with a central zone of necrosis surrounded entirely by a fibrous wall.
  • (7) During the digestion of these radiolabeled bacteria, murine bone marrow macrophages produced low-molecular-weight substances that coeluted chromatographically with the radioactive cell wall marker.
  • (8) All patients with localized subaortic hypertrophy had left ventricular hypertrophy (left ventricular mass or posterior wall thickness greater than 2 SD from normal) with a normal size cavity due to aortic valve disease (2 patients were also hypertensive).
  • (9) Its pathogenesis, still incompletely elucidated, involves the precipitation of immune complexes in the walls of the all vessels.
  • (10) The standard varies from modest to lavish – choose carefully and you could be staying in an antique-filled room with your host's paintings on the walls, and breakfasting on the veranda of a tropical garden.
  • (11) The following possible explanations were discussed: a) the tested psychotropic drugs block prostaglandin receptors in the stomach; b) the test substances react with prostaglandin in the nutritive solution; c) the substances stimulate metabolic processes in the stomach wall that break down prostaglandin.
  • (12) 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.
  • (13) Their levels in urine are a useful indicator of the integrity of membrane barriers of the kidney glomerular capillary wall.
  • (14) The resistance of GSA 65 to proteolytic degradation, together with previous immunofluorescence data that indicate the antigen is an integral part of the G. lamblia cyst wall, suggests that this molecule may play a role in maintaining the integrity of the cyst in vivo.
  • (15) Polypeptide factor isolated from vascular wall of the cattle ("vasonin") was shown to affect the immunogenesis and hemostasis, to stimulate kallikrein-kinin system and to accelerate processes of regeneration.
  • (16) In the case with a more distally situated VSD, the bundle branches skirted the anterior and distal walls of the defect.
  • (17) Cholecystectomy provided successful treatment in three of the four patients but the fourth was too ill to undergo an operation; in general, definitive treatment is cholecystectomy, together with excision of the fistulous tract if this takes a direct path through the abdominal wall from the gallbladder, or curettage if the course is devious.
  • (18) Following injections of HRP into the apex of the heart, the sinoatrial (SA) nodal region and the ventral wall of the right ventricle, we observed that HRP-labeled sympathetic neurons were localized predominantly in the right stellate ganglia, and to a lesser extent, in the right superior and middle cervical ganglia, and left stellate ganglia.
  • (19) A temperature-sensitive mutant of Saccharomyces cerevisiae was identified which at the restrictive temperature of 37 degrees C is unable to secrete a number of cell wall-associated proteins and thus resembles previously reported sec mutants.
  • (20) Polypropylene mesh was used to repair the abdominal wall.