| ลองค้นหาคำในรูปแบบอื่น ๆ เพื่อให้ได้ผลลัพธ์มากขึ้นหรือน้อยลง: chimed, -chimed- |
มีผลลัพธ์ที่ไม่แสดงผลอยู่ | archimedes | (อาร์คิมี'ดี') n. ชื่อนักคณิตศาสตร์ นักประดิษฐ์และนักฟิสิกส์ของกรีก ผู้ค้นพบกฎแห่งความถ่วงและคาน. -Archimedean adj. | | archimedes screw | เครื่องมือที่ประกอบด้วยท่อที่งอเป็นเกลียวรอบแกน ใช้ดูดน้ำขึ้นสูงระดับที่สูงกว่า, Syn. Archimedean screw |
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| | | อาร์คิมิดีส | [Ākhimidīt] (n, prop) EN: Archimedes FR: Archimède | | หลักของอาร์คิมิดีส | [lak khøng Ākhimidīs] (n, exp) EN: Principle of Archimedes FR: principe d'Archimède [ m ] |
| | | | archimedes | (n) Greek mathematician and physicist noted for his work in hydrostatics and mechanics and geometry (287-212 BC) | | archimedes' principle | (n) (hydrostatics) the apparent loss in weight of a body immersed in a fluid is equal to the weight of the displaced fluid, Syn. law of Archimedes |
| | Archimedean | a. [ L. Archimedeus. ] Of or pertaining to Archimedes, a celebrated Greek philosopher; constructed on the principle of Archimedes' screw; as, Archimedean drill, propeller, etc. [ 1913 Webster ]
Archimedean screw, or
Archimedes' screw, an instrument, said to have been invented by Archimedes, for raising water, formed by winding a flexible tube round a cylinder in the form of a screw. When the screw is placed in an inclined position, and the lower end immersed in water, by causing the screw to revolve, the water is raised to the upper end. Francis. [ 1913 Webster ]
| | Archimedes | pos>pr. n.. [ Gr. 'Archimh`dhs. ] Born at Syracuse about 287 b. c.: died at Syracuse, 212 b. c. The most celebrated geometrician of antiquity. He is said to have been a relative of King Hiero of Syracuse, to have traveled early in life in Egypt, and to have been the pupil of Conon the Samian at Alexandria. His most important services were rendered to pure geometry, but his popular fame rests chiefly on his application of mathematical theory to mechanics. He invented the water-screw, and discovered the principle of the lever. Concerning the latter the famous saying is attributed to him, "Give me where I may stand and I will move the world " (do`s pou^ stw^ kai` to`n ko`smos kinh`sw). By means of military engines which he invented he postponed the fall of Syracuse when besieged by Marcellus 214-212 b. c., whose fleet he is incorrectly said to have destroyed by mirrors reflecting the sun's rays. He detected the admixture of silver, and determined the proportions of the two metals, in a crown ordered by Hiero to be made of pure gold. The method of detecting the alloy, without destroying the crown, occurred to him as he stepped in the bath and observed the overflow caused by the displacement of the water. He ran home through the street naked crying heureka, "I have found it." He was killed at the capture of Syracuse by Marcellus. Century Dict. 1906 [ PJC ] | | Archimedes | ‖n. (Paleon.) An extinct genus of Bryzoa characteristic of the subcarboniferous rocks. Its form is that of a screw. [ 1913 Webster ] |
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