| 单词 | actinometer |
| 释义 | actinometer (once / 381269 pages) n WORD FAMILY actinometer USAGE EXAMPLESA very suitable instrument for timing the exposure of carbon tissue is Sawyer's actinometer. Blaney, Henry R., Photogravure(2011) The actinometer consists of a large cylindrical thermometer bulb, with a scale considerably lengthened, so that minute changes may be easily seen. Negretti, Henry, A Treatise on Meteorological Instru...(2011) The actinometer of M. Violle is, in principle, a sphere of copper, blackened externally, and having inside a thermometric apparatus which registers some distance away. Rotch, A. Lawrence, Sounding the Ocean of Air(2011) n an instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect) Hyper measuring device, measuring instrument, measuring system instrument that shows the extent or amount or quantity or degree of something |
| 随便看 |
英语词典包含147318条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。