(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.
Recess
Definition:
(n.) A withdrawing or retiring; a moving back; retreat; as, the recess of the tides.
(n.) The state of being withdrawn; seclusion; privacy.
(n.) Remission or suspension of business or procedure; intermission, as of a legislative body, court, or school.
(n.) Part of a room formed by the receding of the wall, as an alcove, niche, etc.
(n.) A place of retirement, retreat, secrecy, or seclusion.
(n.) Secret or abstruse part; as, the difficulties and recesses of science.
(n.) A sinus.
(v. t.) To make a recess in; as, to recess a wall.
(n.) A decree of the imperial diet of the old German empire.
Example Sentences:
(1) But the wounding charge in 2010 has become Brown's creation of a structural hole in the budget, more serious than the cyclical hit which the recession made in tax receipts, at least 4% of GDP.
(2) S&P – the only one of the three major agencies not to have stripped the UK of its coveted AAA status – said it had been surprised at the pick-up in activity during 2013 – a year that began with fears of a triple-dip recession.
(3) Epidermolytic PPK is a well delineated autosomal dominant entity, but no recessive form is known.
(4) In junctions, 3' PSS termini are preserved by fill-in DNA synthesis, although their 5' recessed ends cannot serve as a primer.
(5) No changes in degree of recession were observed during the 4-year period.
(6) Although the reeler, an autosomal recessive mutant mouse with the abnormality of lamination in the central nervous system, died about 3 weeks of age when fed ordinary laboratory chow, this mouse could grow up normally and prolong its destined, short lifespan to 50 weeks and more when given assistance in taking paste food and water from the weaning period.
(7) About one out of three profoundly deaf children has an autosomal recessive form of inherited deafness.
(8) Frequency and localization of spontaneous and induced by high temperature (37 degrees C) recessive lethal mutations in X-chromosome of females belonging to the 1(1) ts 403 strain defective in synthesis of heat-shock proteins (HSP) were studied.
(9) Cable argued that the additional £30bn austerity proposed by the chancellor after 2015 went beyond the joint coalition commitment to eradicate the structural part of the UK's current budget deficit – the part of non-investment spending that will not disappear even when the economy has fully emerged from the recession of 2008-09.
(10) The polygenic control of diabetogenesis in NOD mice, in which a recessive gene linked to the major histocompatibility complex is but one of several controlling loci, suggests that similar polygenic interactions underlie this type of diabetes in humans.
(11) If a tear is found, remove all unstable meniscal fragments, leaving a rim, if possible, especially adjacent to the popliteus recess, and then proceed to open cystectomy.
(12) Spain's IBEX has tumbled more than 2%, despite its central bank predicting that the country's recession is over.
(13) In Colchester, David Sherwood of Fenn Wright reported: "High tenant demand but increasingly tenants in rent arrears as the recession bites."
(14) Bimedial rectus recession with measurement from the limbus was combined with conjuctival recession 85 children undergoing surgery for esotropia.
(15) When used in snail neurones such electrodes gave very similar pHi values to those recorded simultaneously by recessed-tip glass micro-electrodes.
(16) An autosomal recessive mode of inheritance of this deficiency was found.
(17) Deficiency of glucosamine-6-sulphatase activity leads to the lysosomal storage of the glycosaminoglycan, heparan sulphate and the monosaccharide sulphate N-acetylglucosamine 6-sulphate and the autosomal recessive genetic disorder mucopolysaccharidosis type IIID.
(18) All the teeth were also measured on both their buccal and lingual aspects to assess the amount of gingival recession.
(19) The data on sex-chromosome loss, sex-linked recessive lethals and autosomal translocations suggest lack of mutagenicity.
(20) Parental consanguinity suggests that an autosomal recessive mutation is the likely aetiology.