(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.
Flush
Definition:
(v. i.) To flow and spread suddenly; to rush; as, blood flushes into the face.
(v. i.) To become suddenly suffused, as the cheeks; to turn red; to blush.
(v. i.) To snow red; to shine suddenly; to glow.
(v. i.) To start up suddenly; to take wing as a bird.
(v. t.) To cause to be full; to flood; to overflow; to overwhelm with water; as, to flush the meadows; to flood for the purpose of cleaning; as, to flush a sewer.
(v. t.) To cause the blood to rush into (the face); to put to the blush, or to cause to glow with excitement.
(v. t.) To make suddenly or temporarily red or rosy, as if suffused with blood.
(v. t.) To excite; to animate; to stir.
(v. t.) To cause to start, as a hunter a bird.
(n.) A sudden flowing; a rush which fills or overflows, as of water for cleansing purposes.
(n.) A suffusion of the face with blood, as from fear, shame, modesty, or intensity of feeling of any kind; a blush; a glow.
(n.) Any tinge of red color like that produced on the cheeks by a sudden rush of blood; as, the flush on the side of a peach; the flush on the clouds at sunset.
(n.) A sudden flood or rush of feeling; a thrill of excitement. animation, etc.; as, a flush of joy.
(n.) A flock of birds suddenly started up or flushed.
(n.) A hand of cards of the same suit.
(a.) Full of vigor; fresh; glowing; bright.
(a.) Affluent; abounding; well furnished or suppled; hence, liberal; prodigal.
(a.) Unbroken or even in surface; on a level with the adjacent surface; forming a continuous surface; as, a flush panel; a flush joint.
(a.) Consisting of cards of one suit.
(adv.) So as to be level or even.
Example Sentences:
(1) This is basically a large tank (the bigger the better) that collects rain from the house guttering and pumps it into the home, to be used for flushing the loo.
(2) The vasodilator effect of both calcium antagonists was responsible for side effects, of which the most common were flushing, edema, headache, and palpitations.
(3) No comparable differences in development were found in cultured embryos for which the media had been supplemented with flushings from the same progestational uterine stages as used for transfer.
(4) In short term clinical studies, the beneficial effects of transdermal estradiol on plasma gonadotrophins, maturation of the vaginal epithelium, metabolic parameters of bone resorption and menopausal symptoms (hot flushes, sleep disturbance, genitourinary discomfort and mood alteration) appear to be comparable to those of oral and subcutaneous estrogens, while the undesirable effects of oral estrogens on hepatic metabolism are avoided.
(5) Rabbit morulae and blastocysts were cultured in conventional culture media [Ham's F10 or BSM II supplemented with bovine serum albumin (BSA) or serum] or in Ham's medium supplemented with synchronous or asynchronous uterine flushings, mostly for 2 days, and afterwards investigated by light and electron microscopy and by autoradiography.
(6) Management of obstructive upper ureteral calculi by first flushing the lithiasis to renal cavity and secondary extracorporeal lithotripsy is proposed as a routine guide-line, especially when treatment by ESWL is not immediately available.
(7) A rapid and efficient method for obtaining murine bone marrow cells is described, which yields up to twice the amount of cells obtained by the conventional method of flushing through the bones.
(8) 31P NMR spectroscopy proved to be an excellent, dynamic, nondestructive method for assessing the liver during cold flush and pulsatile perfusion experiments.
(9) The simple method of retrograde flushing of spermatozoa from the epididymal cauda of slaughter bulls yielded an average of 2 x 10(9) spermatozoa from one cauda.
(10) Uterine horns were flushed in 5 cats 6-8 days after mating with expanded blastocysts being collected from 4 cats.
(11) This study suggests that a naloxone-sensitive opioid mechanism is not active in modulating luteinizing hormone secretion in the postmenopausal woman and that opioid receptor blockade is not effective in altering the frequency of menopausal flushes.
(12) Atracurium, metocurine and in particular d-tubocurarine have histamine-releasing properties and may cause flushing, hypotension and tachycardia.
(13) In 13 postorchidectomy patients who reported hot flushes we recorded cutaneous blood-flow and sweating by use of a laser-Doppler flowmeter and an evaporimeter.
(14) However, flushing the filters with carbenicillin or gentamicin killed the bacteria and caused the release of endotoxin into the filtrates.
(15) These results justify the use of UW solution by intraaortic flush especially during multi-organ procurement.
(16) Twelve grafts were flushed with and stored in Perfadex.
(17) The fillings were ground flush with the tooth surface and the teeth were cycled thermally between two dye solutions baths.
(18) On testing the peripheral vestibular apparatus of astronauts with healthy labyrinths, nystagmus was observed when flushing the ears with hot or cold water even in the absence of gravitation.
(19) Using methanesulfonic acid, hydrolysis of cytochrome c at 115 degrees C for 22 h yielded recoveries equal to or higher than hydrolysis at 115 degrees C for 70 h or at 150 degrees C for 22 h. Triple evacuation of the hydrolysis tube alternated with nitrogen flush gave recovery improvements over single evacuation.
(20) Lack of isozyme I is responsible for the "flush-syndrome" commonly observed in asian people following alcohol intake.