| shearing | 1. The act or operation of clipping with shears or a shearing machine, as the wool from sheep, or the nap from cloth. 2. The product of the act or operation of clipping with shears or a shearing machine; as, the whole shearing of a flock; the shearings from cloth. 3. Same as Shearling. 4. The act or operation of reaping. 5. The act or operation of dividing with shears; as, the shearing of metal plates. 6. The process of preparing shear steel; tilting. 7. <chemical> The process of making a vertical side cutting in working into a face of coal. Shearing machine. A machine with blades, or rotary disks, for dividing plates or bars of metal. A machine for shearing cloth. Source: Websters Dictionary (01 Mar 1998) |
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| shearing edge | The part of an anterior tooth farthest from the apex of the root. Synonym: margo incisalis, cutting edge, incisal margin, incisal surface, shearing edge. (05 Mar 2000) |
| DNA shearing | <molecular biology> The tearing apart of unusually long DNA molecules by mechanical rather than chemical means, sometimes by accident when the molecule is being prepared in the lab for testing. (09 Oct 1997) |
| accouchement force | Forced, artificially hastened delivery, by means of forceps, version, etc.; originally applied to rapid dilation of the cervix with the hands, with version and forcible extraction of the foetus. (05 Mar 2000) |
| anterior component of force | A force operating to move teeth anteriorly. (05 Mar 2000) |
| Begg light wire differential force technique | An orthodontic appliance utilizing small gauge labial wires with expansion and contraction loops formed into it and attached to bands fitted to individual teeth; sometimes called Begg light wire differential force technique. (05 Mar 2000) |
| bite force | The force applied by the masticatory muscles in dental occlusion. (12 Dec 1998) |
| brisement force | Forcible manipulation, usually under anaesthesia, in which the position of a deformed limb is corrected by tearing the soft tissue and crushing the bone, as in a once popular but no longer used correction for club foot deformities. Origin: Fr. Forcible breaking (05 Mar 2000) |
| radial ponderomotive force stabilisation | <radiobiology> In magnetic mirror devices, use of rf waves in the neighborhood of the ion cyclotron frequency to stabilise interchange modes. The radial ponderomotive force produced by a radial gradient in the applied rf electric field opposes the destabilising centrifugal force resulting from bad magnetic field curvature. The net particle current is in the direction that would result from field lines with good curvature, eliminating the drive for the interchange instability. (09 Oct 1997) |
| G force | Inertial force produced by accelerations or gravity, expressed in gravitational units; one G is equal to the pull of gravity at the earth's surface at sea level and 45 |
| masticatory force | The motive force created by the dynamic action of the muscles during the physiologic act of mastication. Synonym: biting strength, masticatory force. (05 Mar 2000) |
| redressement force | Straightening by force of a deformed part, as of knock-knee. Origin: Fr. (05 Mar 2000) |
| centering force | <physics, radiobiology> Term for the mutual attraction between the parallel currents in the inboard leg of the toroidal field coils in a toroidal magnetic fusion system. The portion of the coil running through the doughnut hole is attracted towards the centre of the hole. (13 Nov 1997) |
| reserve force | The energy residing in the organism or any of its parts above that required for its normal functioning. (05 Mar 2000) |
| centrifugal force | <physics> The apparent force which seems to pull an object outward when the object is spun around in a circle. In reality, it is the centripetal force which keeps the object rotating around in the circle when the object's inertia makes the object inclined to move in a straight tangential line away from the circle. The centrifugal force does not really exist and, in a strictly physical sense, the term is a misnomer. However, the term is useful to biologists and chemists who are using centrifuges. (13 Nov 1997) |