| Gunning, Jan | <person> Dutch chemist, 1827-1901. See: Gunning's reaction. (05 Mar 2000) |
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| Gunning, Thomas | <person> U.S. Dentist, 1813-1889. See: Gunning splint. (05 Mar 2000) |
| gunny cloth | A strong, coarse kind of sacking, made from the fibres (called jute) of two plants of the genus Corchorus (C. Olitorius and C. Capsularis), of India. The fibre is also used in the manufacture of cordage. Gunny bag, a sack made of gunny, used for coarse commodities. Origin: Hind. Gon, gon, a sack, sacking. Source: Websters Dictionary (01 Mar 1998) |
| gunpowder | <chemistry> A black, granular, explosive substance, consisting of an intimate mechanical mixture of niter, charcoal, and sulphur. It is used in gunnery and blasting. Gunpowder consists of from 70 to 80 per cent of niter, with 10 to 15 per cent of each of the other ingredients. Its explosive energy is due to the fact that it contains the necessary amount of oxygen for its own combustion, and liberates gases (chiefly nitrogen and carbon dioxide), which occupy a thousand or fifteen hundred times more space than the powder which generated them. Gunpowder pile driver, a pile driver, the hammer of which is thrown up by the explosion of gunpowder. Gunpowder plot, a plot to destroy the King, Lords, and Commons, in revenge for the penal laws against Catholics. As Guy Fawkes, the agent of the conspirators, was about to fire the mine, which was placed under the House of Lords, he was seized, Nov. 5. Hence, Nov. 5 is known in England as Guy Fawkes Day. Gunpowder tea, a species of fine green tea, each leaf of which is rolled into a small ball or pellet. Source: Websters Dictionary (01 Mar 1998) |
| gunshot wound | A wound made with a bullet or other missile projected by a firearm. (05 Mar 2000) |
| gunstock | The stock or wood to which the barrel of a hand gun is fastened. Source: Websters Dictionary (01 Mar 1998) |
| gunstock deformity | A form of cubitus varus resulting from condylar fracture at the elbow in which the axis of the extended forearm is not continuous with that of the arm but is displaced toward midline. (05 Mar 2000) |
| gunter's line | A logarithmic line on Gunter's scale, used for performing the multiplication and division of numbers mechanically by the dividers. Synonym: line of lines, and line of numbers. Source: Websters Dictionary (01 Mar 1998) |
| gunter's quadrant | A thin quadrant, made of brass, wood, etc, showing a stereographic projection on the plane of the equator. By it are found the hour of the day, the sun's azimuth, the altitude of objects in degrees, etc. See Gunter's scale. Source: Websters Dictionary (01 Mar 1998) |
| gunter's scale | A scale invented by the Rev. Edmund Gunter (1581-1626), a professor of astronomy at Gresham College, London, who invented also Gunter's chain, and Gunter's quadrant. Gunter's scale is a wooden rule, two feet long, on one side of which are marked scales of equal parts, of chords, sines, tangents, rhombs, etc, and on the other side scales of logarithms of these various parts, by means of which many problems in surveying and navigation may be solved, mechanically, by the aid of dividers alone. Source: Websters Dictionary (01 Mar 1998) |
| Gunz' ligament | <anatomy> A portion of the superficial layer of the obturator membrane. (05 Mar 2000) |
| Gunz, Justus | <person> German anatomist, 1714-1751. See: Gunz' ligament. (05 Mar 2000) |
| Gunzberg's reagent | Phloroglucin and vanillin used as a reagent in Gunzberg's test. (05 Mar 2000) |
| Gunzberg's test | A test for hydrochloric acid utilizing phloroglucin vanillin (Gunzberg's reagent), with which a bright red colour is produced in the presence of the acid. (05 Mar 2000) |
| Gunzberg, Alfred | <person> German physician, *1861. See: Gunzberg's reagent, Gunzberg's test. (05 Mar 2000) |