Words Starting With RAD
Here's the list of all the 316 Words Starting With RAD in the English Language.
The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.
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radio | 1. indicating radiation or radioactivity 2. medium for communication More Definitions → |
radar | 1. measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects More Definitions → |
radiation | 1. energy that is radiated or transmitted in the form of rays or waves or particles 2. the act of spreading outward from a central source More Definitions → |
radius | 1. the length of a line segment between the center and circumference of a circle or sphere 2. a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere) More Definitions → |
radical | 1. of or relating to or constituting a linguistic root 2. especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem More Definitions → |
radioactive | 1. exhibiting or caused by radioactivity More Definitions → |
radiology | 1. the branch of medical science dealing with the medical use of X-rays or other penetrating radiation 2. (radiology) examination of the inner structure of opaque objects using X rays or other penetrating radiation More Definitions → |
rad | 1. a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material 2. the 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) More Definitions → |
radiator | 1. any object that radiates energy 2. heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings More Definitions → |
radial | 1. relating to or near the radius 2. relating to or moving along or having the direction of a radius More Definitions → |
radiant | 1. radiating or as if radiating light More Definitions → |
radiography | 1. the process of making a radiograph; producing an image on a radiosensitive surface by radiation other than visible light 2. photography that uses other kinds of radiation than visible light More Definitions → |
radically | 1. in a radical manner More Definitions → |
radiological | 1. of or relating to radiology More Definitions → |
radiance | 1. the amount of electromagnetic radiation leaving or arriving at a point on a surface 2. the quality of being bright and sending out rays of light More Definitions → |
radiotherapy | 1. (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance More Definitions → |
radon | 1. a 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 More Definitions → |
radioactivity | 1. the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay More Definitions → |
radii | 1. the length of a line segment between the center and circumference of a circle or sphere 2. a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere) More Definitions → |
radix | 1. (numeration system) the positive integer that is equivalent to one in the next higher counting place More Definitions → |
radium | 1. an intensely radioactive metallic element that occurs in minute amounts in uranium ores More Definitions → |
radiographic | 1. relating to or produced by radiography More Definitions → |
radiating | 1. diverging from a common point More Definitions → |
radiologist | 1. a medical specialist who uses radioactive substances and X-rays in the treatment of disease More Definitions → |
radiate | 1. send out rays or waves 2. send out real or metaphoric rays; the children radiated joyous energy More Definitions → |
radish | 1. pungent fleshy edible root 2. radish of Japan with a long hard durable root eaten raw or cooked More Definitions → |
radian | 1. the 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) More Definitions → |
radiometer | 1. meter to detect and measure radiant energy (electromagnetic or acoustic) More Definitions → |
radicalism | 1. the political orientation of those who favor revolutionary change in government and society More Definitions → |
radiocarbon | 1. a radioactive isotope of carbon More Definitions → |
radially | 1. in a radial manner More Definitions → |
radioimmunoassay | 1. immunoassay of a substance that has been radioactively labeled More Definitions → |
radiograph | 1. a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays) More Definitions → |
radioisotope | 1. a radioactive isotope of an element; produced either naturally or artificially More Definitions → |
radiotelephone | 1. telephony that uses transmission by radio rather than by wire 2. a telephone that communicates by radio waves rather than along cables More Definitions → |
Jump to Words by Length
3-Letter Words Starting With RAD
4-Letter Words Starting With RAD
5-Letter Words Starting With RAD
6-Letter Words Starting With RAD
7-Letter Words Starting With RAD
8-Letter Words Starting With RAD
9-Letter Words Starting With RAD
10-Letter Words Starting With RAD
11-Letter Words Starting With RAD
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12-Letter Words Starting With RAD
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13-Letter Words Starting With RAD
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14-Letter Words Starting With RAD
6 more 14-Letter Words Starting With RAD → |
15-Letter Words Starting With RAD
7 more 15-Letter Words Starting With RAD → |