| volumenometer | <physics> An instrument for measuring the volume of a body, especially a solid, by means of the difference in tension caused by its presence and absence in a confined portion of air. Origin: L. Volumen volume. Source: Websters Dictionary (01 Mar 1998) |
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| volumenometry | <chemistry> The method or process of measuring volumes by means of the volumenometer. Source: Websters Dictionary (01 Mar 1998) |
| volumetric | Of or pertaining to the measurement of volume. <chemistry> Volumetric analysis, that system of the quantitative analysis of solutions which employs definite volumes of standardized solutions of reagents, as measured by burettes, pipettes, etc.; also, the analysis of gases by volume, as by the eudiometer. Origin: Volume + -metric. Source: Websters Dictionary (01 Mar 1998) |
| volumetric analysis | Quantitative analysis by the addition of graduated amounts of a standard test solution to a solution of a known amount of the substance analyzed, until the reaction is just at an end; depends upon the stoichiometric nature of the reaction between the test solution and the unknown. (05 Mar 2000) |
| volumetric flask | A flask calibrated to contain or to deliver a definite amount of liquid. (05 Mar 2000) |
| volumetric solution | A solution made by mixing measured volumes of the components. (05 Mar 2000) |
| volumometer | <physics> An instrument for measuring the volume of a body, especially a solid, by means of the difference in tension caused by its presence and absence in a confined portion of air. Origin: L. Volumen volume. Source: Websters Dictionary (01 Mar 1998) |
| voluntary | Accomplished in accordance with the will. Origin: L. Voluntas = will (18 Nov 1997) |
| voluntary dehydration | That physiologic lag or deficit that results when sensations of thirst are not strong enough to bring about complete replacement of water loss, as in rapid sweating. (05 Mar 2000) |
| voluntary guarding | Abdominal muscle spasm that can be willfully suppressed. (05 Mar 2000) |
| voluntary health agencies | Non-profit organizations concerned with various aspects of health, e.g., education, promotion, treatment, services, etc. (12 Dec 1998) |
| voluntary hospital | A hospital supported in part by voluntary contributions and under the control of a local, usually self-appointed, board of managers; a non-profit hospital. Synonym: philanthropic hospital. (05 Mar 2000) |
| voluntary muscle | <anatomy> One whose action is under the control of the will; all the striated muscle's, except the heart, are voluntary muscle's. (05 Mar 2000) |
| voluntary mutism | Mutism due to psychogenic causes. Synonym: voluntary mutism. (05 Mar 2000) |
| voluntary nystagmus | Pendular nystagmus in which the individual causes an extremely fine and rapid horizontal oscillation of the eyes. The nystagamus consists of back-to-back saccades and is seldom done for more than a few seconds at a time. (05 Mar 2000) |