What Is the Definition of Radius?

Answer

The word radius has different meanings depending on what you are interested in. For instance, it can refer to the straight line from the centre of a circle or sphere to its circumference. It can also mean the corresponding bone in the foreleg of a vertebrate or a bird's wing.
2 Additional Answers
Ask.com Answer for: what is the definition of radius
ra·di·us
[rey-dee-uhs]
NOUN [PLURAL RA·DI·I, RA·DI·US·ES.]
1.
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.
2.
the length of such a line.
3.
any radial or radiating part.
4.
a circular area having an extent determined by the length of the radius from a given or specified central point: every house within a radius of 50 miles.
5.
a field or range of operation or influence.
More Definitions
Fewer Definitions
Source: Dictionary.com
A line that joins the center of a circle or sphere with any point on the circumference. Also, radius is one half of the diameter of a circle.
Q&A Related to "What Is the Definition of Radius"
The radius is a term used when discussing circles or spheres. The radius is half the length of the circumference of a circle which means that its length goes from the center to the
http://answers.ask.com/Science/Other/what_is_the_d...
If you draw a line from one side of a circle to the other, and that line hits the center, and goes all the way across, it is the diameter. half of that line going from the center
http://wiki.answers.com/Q/What_is_the_definition_o...
The atomic radius is a term used to describe the size of the atom, but there
http://www.chacha.com/question/what-is-the-definit...
radius: the length of a line segment between the center and circumference of a circle or sphere; a straight line from the center to the perimeter of a...
http://www.kgbanswers.com/what-is-the-definition-o...
Explore this Topic
Atomic radius is the typical distance from the nucleus center of a chemical element to the outer most electoral orbital. The atomic radius of atoms is mainly determined ...
Metallic radius is a term that is used to describe the radius of the atom which is the distance from the atomic nucleus to the outermost stable electron orbital ...
Ionic radius is the gauge of an atom's ion in a rock lattice. The ionic radius of the elements displays trends in the periodic table. Ions can be larger or smaller ...
About -  Privacy -  AskEraser  -  Careers -  Ask Blog -  Mobile -  Help -  Feedback © 2014 Ask.com