(v. t.) To chamfer or form a depression around the top of (a hole in wood, metal, etc.) for the reception of the head of a screw or bolt below the surface, either wholly or in part; as, to countersink a hole for a screw.
(v. t.) To cause to sink even with or below the surface; as, to countersink a screw or bolt into woodwork.
(n.) An enlargement of the upper part of a hole, forming a cavity or depression for receiving the head of a screw or bolt.
(n.) A drill or cutting tool for countersinking holes.
Example Sentences:
(1) Countersinking implants in extraction sites was critical; labial bone implant defects should be grafted with particulate HA.
(2) Screws will give a firm hold though you’ll need to pre-drill a hole with the 2mm drill bit and countersink the hole for a flush finish.
(3) With countersinking 55% of the 2.7 mm and 27% of the 2.0 mm screws had no threads engaged in the buccal cortical plate.
(4) Conical countersink showed plastic deformations of an average of 1300 N whereas with spherical countersink they did not occur at the same load.
(5) In case of bone cysts and thin corticalis they should provide further support against countersinking.
(6) The percussive patterning of the words serves to reinforce their meaning and to countersink them within the memory.
(7) After reaching the load of 2000 N and keeping the deformation constant we saw a significantly stronger reduction of force with the conical countersink then with the spherical type.
(8) You will need : Talc or chalk Drill 2mm and countersink wood bits 4mm x 50mm countersunk slothead screws Screwdriver Floorboard brads Hammer Punch 1) First lift any coverings there may be on top (carpets, vinyl etc).
(9) In vitro examinations on deformation and relaxation were carried out on cortical countersink of different geometry under a compression load of up to 2000 N through a screw head.
(10) As far as fracture fixation is concerned a smaller postoperative reduction of screw force can be expected if applying a cortical screw with a spherical head in a spherical countersink.
Machine
Definition:
(n.) In general, any combination of bodies so connected that their relative motions are constrained, and by means of which force and motion may be transmitted and modified, as a screw and its nut, or a lever arranged to turn about a fulcrum or a pulley about its pivot, etc.; especially, a construction, more or less complex, consisting of a combination of moving parts, or simple mechanical elements, as wheels, levers, cams, etc., with their supports and connecting framework, calculated to constitute a prime mover, or to receive force and motion from a prime mover or from another machine, and transmit, modify, and apply them to the production of some desired mechanical effect or work, as weaving by a loom, or the excitation of electricity by an electrical machine.
(n.) Any mechanical contrivance, as the wooden horse with which the Greeks entered Troy; a coach; a bicycle.
(n.) A person who acts mechanically or at will of another.
(n.) A combination of persons acting together for a common purpose, with the agencies which they use; as, the social machine.
(n.) A political organization arranged and controlled by one or more leaders for selfish, private or partisan ends.
(n.) Supernatural agency in a poem, or a superhuman being introduced to perform some exploit.
(v. t.) To subject to the action of machinery; to effect by aid of machinery; to print with a printing machine.
Example Sentences:
(1) Some commentators have described his ship, now facing more delays after a decade in development, as little more than a Heath Robinson machine.
(2) In order to control noise- and vibration-caused diseases it was necessary not only to improve machines' quality and service conditions but also to pay special attention to the choice of operators and to the quality of monitoring their adaptation process.
(3) This survey reviews three-dimensional (3D) medical imaging machines and 3D medical imaging operations.
(4) These views are very practical for inferior synovial cavity arthrograms performed in the dental operatory since panoramic radiographic machines have become common in modern dental practices.
(5) Careless Herbicidal aerial spray of a field for weed control and defoliation of cotton before machine picking, resulted in the contamination of an adjoining reservoir, killing large volume of fish.
(6) Various forms of inactive data storage and archiving in machine-readable form are available to address this dilemma, yet these solutions can create even more difficult problems.
(7) Among the dead were two young young officers, Major Mujahid Ali and Captain Usman, whose life stories the media seized upon, helped by the military's public relations machine.
(8) said Wanis Kilani, a uniformed rebel driving a pickup truck with a machine-gun mounted on the back.
(9) "I wanted it to have a romantic feel," says Wilson, "recalling Donald Campbell and his Bluebird machines and that spirit of awe-inspiring adventure."
(10) Placing the collection bag at the base of the machine provided excellent plasma removal rates with only minimal blood flows.
(11) Best Buy – it says the machine "churns excellent ice cream quickly and without too much noise".
(12) In this vision, people will go to polling stations on 18 September with a mindset somewhere between that of a lobby correspondent and a desiccated calculating machine.
(13) This algorithm is not only efficient for the recognition of order and disorder in "machine vision", but also plausible in biological visual perception.
(14) Flat surfaces could be machined on the originally cylindrical surface to reduce the severity of these aberrations.
(15) Photograph: Polish Government Despite his clear-eyed approach to the looted artworks, Wächter maintains that his father was an unwilling cog in the Nazi killing machine, a position that has won him many critics.
(16) We compared the time taken to obtain clear airway, when patients were receiving 4.5 or 6 l.min-1 fresh flow by anesthetic machines.
(17) Results of the determinations indicated that protective leather gloves contained considerable content of chromium, and chromium-free machine oils and lubricants were polluted with chromium's minute quantities as the oils and lubrications were being used.
(18) Bleeps, pagers and fax machines are still used for communicating vital information.
(19) A new technique is described, in which a copy machine (Rank-Xerox) is used for instantaneous reproduction of biological assays.
(20) Can consoles still survive in a rapidly changing business where smartphones, tablets and smart TVs, and now Steam Machines, are threatening?