释义 |
roentgen noun[ C ] physics specialized(alsoröntgen)uk /ˈrɒnt.ɡən/ us /ˈrent.ɡən/ a unit of measurement for showing the amount of radiation received by a person over a period of time伦琴(辐射的照射量单位) SMART Vocabulary: related words and phrases Miscellaneous units of measurement acre acreage caloric dioptre farad fathom firkin flashpoint hectare joule MHz newton radian refractive index röntgen Scoville scale SI unit sievert sun protection factor watt |