Words starting with radiums
Maybe these words will be useful:
- radium — Chemistry. a highly radioactive metallic element whose decay yields radon gas and alpha rays. Symbol: Ra; atomic weight: 226; atomic number: 88.
- radium a — a substance, formed by decay of radon, that gives rise to radium B.
- radium b — an isotope of lead, formed by decay of radium A, that gives rise to radium C, which is an isotope of bismuth, from which radium D, radium E, and radium F, or polonium 210, are derived.
- radium emanation — (formerly) radon.
- radium f — an isotope of polonium: polonium 210.
- radium sulfate — a white, crystalline, water-insoluble, poisonous, radioactive solid, RaSO 4 , used chiefly in radiotherapy.
- radium therapy — treatment of disease by means of radium.
- radius — a straight line extending from the center of a circle or sphere to the circumference or surface: The radius of a circle is half the diameter.
- radius of action — the maximum distance that a ship, aircraft, or land vehicle can travel from its base and return without refuelling
- radius of convergence — a positive number so related to a given power series that the power series converges for every number whose absolute value is less than this particular number.