radium emanation

  1. (formerly) radon.

Origin of radium emanation

First recorded in 1900–05

Words Nearby radium emanation

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use radium emanation in a sentence

  • The element yields spontaneously radium emanation without any apparent diminution of its own mass.

  • Niton, or radium emanation, is one of the products of the disintegration of radium.

    Meteorology | Charles Fitzhugh Talman
  • Mix very slowly and quietly in order not to release too much of the radium emanation.

    Valere Aude | Louis Dechmann
  • Contact with radium emanation results in a deposit of the fatal radium-D, which in 40 years is but half removed.

    Darwin and Modern Science | A.C. Seward and Others
  • The radium emanation is a gas about 111 times heavier than hydrogen; to this gas Sir William Ramsay has given the name niton.