(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.
Pulley
Definition:
(v. t.) A wheel with a broad rim, or grooved rim, for transmitting power from, or imparting power to, the different parts of machinery, or for changing the direction of motion, by means of a belt, cord, rope, or chain.
(b. t.) To raise or lift by means of a pulley.
Example Sentences:
(1) The model consists of electrically stimulating the lower leg muscles to contract against a weighted pulley bar.
(2) The traumatic agent is the sudden extension while the finger is holding an object and the flexor digitorum profundus is strongly contracted: the tendon retracts and the stump can be found either at the distal pulley, at the bifurcation of the superficialis tendon, or in the palm of the hand.
(3) Nine tendons were repaired with each of four suture patterns: single-locking loop, double-locking loop, triple-locking loop, or three-loop pulley.
(4) There was no evidence of a synovial cell layer on the surface of the A1 pulleys in either normal or trigger digits.
(5) The "pulley effect" of the skin and soft tissue as a supplement to the fibro-osseous pulleys in reducing tendon bow-stringing was also noted.
(6) Therefore, a method was developed to reconstruct the fibro-osseous pulleys with polytetrafluoroethylene (PTFE) membrane.
(7) The pulleys were studied in specific configurations to determine their effectiveness in transforming tendon excursion into finger flexion.
(8) Pulley advancement increased the tendon excursion required to flex this joint and thus the mechanical advantage at this joint, but only when the joint was partly flexed.
(9) It is not yet known whether it has sufficient breaking strength to meet the functional demands of human pulleys.
(10) Suddenly, we were back in the age of ropes and pulleys and brute strength to deliver her into the hands of the mechanised world.
(11) Pulley positions are relatively constant throughout postnatal development, with the gross anatomic characteristics correlating closely to those of the adult hand.
(12) Some rigged up pulley systems to hoist shopping to their windows, where the glass was cracked and fixed with tape.
(13) The whole flexor apparatus was resected and a single digital pulley (A 2) was reconstructed, using segments of the animals own deep flexor tendon.
(14) Suggested minimum requirements for the breaking strength of artificial implant pulleys may be made based on these studies.
(15) Flexor pulley restoration and the importance of maintaining strong pulley support are discussed and surgical techniques including those for flexor tendon grafting and reconstruction are described.
(16) The transverse fibers of the palmar aponeurosis are attached by vertical septa to the underlying transverse metacarpal ligament and thus form a pulley over the flexor tendons.
(17) The synthetic Nitex pulley appears to have the potential to function as an effective fibro-osseous pulley replacement.
(18) The triple-locking loop and three-loop pulley patterns were close in strength and only the triple-locking loop was stronger than the double-locking loop.
(19) The long-term results of the key grip procedure (tenodesis of the flexor pollicis longus tendon to the radius, release of the A1 pulley, and percutaneous pin fixation of the interphalangeal joint of the thumb) were evaluated in 10 tetraplegic patients.
(20) Satisfactory grip functions were restored for all patients after the secondary pulley reconstruction.