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5-letter words starting with RAD

Every match in the dictionary, most common first.

5-letter words 5

  • radiomedium for communication
  • radarmeasuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects
  • radona radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health
  • radiithe length of a line segment between the center and circumference of a circle or sphere
  • radix(numeration system) the positive integer that is equivalent to one in the next higher counting place