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6-letter words starting with RAD

Every match in the dictionary, most common first.

12 words found

6-letter words 12

  • radiusthe length of a line segment between the center and circumference of a circle or sphere
  • radiosmedium for communication
  • radishpungent fleshy edible root
  • radiuman intensely radioactive metallic element that occurs in minute amounts in uranium ores
  • radialpneumatic tire that has radial-ply casing
  • radarsmeasuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects
  • radianthe unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)
  • radomea housing for a radar antenna; transparent to radio waves
  • radula
  • radonsa 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
  • radded
  • raddlea red iron ore used in dyeing and marking