| reserve force | The energy residing in the organism or any of its parts above that required for its normal functioning. (05 Mar 2000) |
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| alkali reserve | The sum total of the basic ions (mainly bicarbonates) of the blood and other body fluids which, acting as buffers, maintain the normal pH of the blood. (05 Mar 2000) |
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| breathing reserve | The difference between the pulmonary ventilation (i.e., the volume of air breathed under ordinary resting conditions) and the maximum breathing capacity. (05 Mar 2000) |
| cardiac reserve | The heart's ability to respond to demands that exceed ordinary circumstances. (27 Sep 1997) |
| reserve | 1. <geology> Typically used to describe the amount of a substance which can be extracted from the earth with current technology at current prices. Typically much smaller than resources. 2. That which is reserved, or kept back, as for future use. "The virgins, besides the oil in their lamps, carried likewise a reserve in some other vessel for a continual supply." (Tillotson) 3. That which is excepted; exception. "Each has some darling lust, which pleads for a reserve." (Rogers) 4. Restraint of freedom in words or actions; backwardness; caution in personal behavior. "My soul, surprised, and from her sex disjoined, Left all reserve, and all the sex, behind." (Prior) "The clergyman's shy and sensitive reserve had balked this scheme." (Hawthorne) 5. A tract of land reserved, or set apart, for a particular purpose. 6. A body of troops in the rear of an army drawn up for battle, reserved to support the other lines as occasion may require; a force or body of troops kept for an exigency. 7. Funds kept on hand to meet liabilities. In reserve, in keeping for other or future use; in store; as, he has large quantities of wheat in reserve; he has evidence or arguments in reserve. Reserve air. Synonym: Reservation, retention, limitation, backwardness, reservedness, coldness, restraint, shyness, coyness, modesty. Origin: F. Reserve. (27 Oct 1998) |
| reserve air | The extra volume of air that can be expired with maximum effort beyond the level reached at the end of a normal, quiet expiration. Common abbreviation is erv. (12 Dec 1998) |
| reserve margin | The amount by which the utility's total electric power capacity exceeds maximum electric demand. (05 Dec 1998) |
| inspiratory reserve volume | The extra volume of air that can be inspired with maximal effort after reaching the end of a normal, quiet inspiration. Common abbreviation is irv. (12 Dec 1998) |
| expiratory reserve volume | The extra volume of air that can be expired with maximum effort beyond the level reached at the end of a normal, quiet expiration. Common abbreviation is erv. (12 Dec 1998) |
| late-successional reserve | An area of forest where the management objective is to protect and enhance conditions of late successional and old-growth forest ecosystems. (05 Dec 1998) |
| 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) |