radium

Tanımlar (İngilizce)

1. isim The chemical element (symbol Ra) with an atomic number of 88. It is a soft, shiny and silvery radioactive alkaline earth metal.

   “As for myself, I had to devote again a great deal of time to the preparation of several decigrammes of very pure radium chloride. With this I achieved, in 1907, a new determination of the atomic weight of radium, and in 1910 I was able to isolate the metal.”

2. isim A type of cloth woven from silk or synthetic yarn, often with a shiny appearance.

   “City retailers are doing well with high-class radiums printed in bright greens, brilliant purples and strong yellows. Such are the high novelties.”

3. fiil To treat (a tumour, etc.) with radium.

   “The problem that we have to face in radiuming tumors is very complicated. [...] [T]he problem of distribution is to distribute throughout the territory irradiated an even dose, and we have found that that is a very difficult thing.”