Definition of Radius. Meaning of Radius. Synonyms of Radius
Here you will find one or more explanations in English for the word Radius. Also in the bottom left of the page several parts of wikipedia pages related to the word Radius and, of course, Radius synonyms and on the right images related to the word Radius.
Definition of Radius
RadiusRadius Ra"di*us, n.; pl. L. Radii; E. Radiuses. [L., a
staff, rod, spoke of a wheel, radius, ray. See Ray a
1. (Geom.) A right line drawn or extending from the center of
a circle to the periphery; the semidiameter of a circle or
2. (Anat.) The preaxial bone of the forearm, or brachium,
corresponding to the tibia of the hind limb. See Illust.
Note: The radius is on the same side of the limb as the
thumb, or pollex, and in man it so articulated that its
lower end is capable of partial rotation about the
3. (Bot.) A ray, or outer floret, of the capitulum of such
plants as the sunflower and the daisy. See Ray, 2.
4. pl. (Zo["o]l.)
(a) The barbs of a perfect feather.
(b) Radiating organs, or color-markings, of the radiates.
5. The movable limb of a sextant or other angular instrument.
Radius bar (Math.), a bar pivoted at one end, about which
it swings, and having its other end attached to a piece
which it causes to move in a circular arc.
Radius of curvature. See under Curvature.
Meaning of Radius from wikipedia
- In cl****ical geometry, a radius
of a circle
is any of the line segments
from its center
to its perimeter, and in more modern
usage, it is also...
- Remote Authentication
Dial-In User Service
) is a networking
on port 1812 that provides centralized
- Earth radius
is the distance
from the center
to a point
on its surface. Its value ranges
from 6,378 km (3,963 mi) at the equator
to 6,357 km (3...
of atomic radius
. Three widely
of atomic radius
are: Van der Waals radius
, ionic radius
, and covalent radius
- The radius
bone is one of the two large bones
of the forearm, the other being
the ulna. It extends
from the lateral
side of the elbow
- The Schwarzschild radius
(sometimes historically referred
to as the gravitational radius
) is a physical parameter
up in the Schwarzschild
- Ionic radius
, rion, is the radius
of an atom's ion in ionic crystals
structure. Although neither atoms
nor ions have sharp
boundaries, they are sometimes...
- particles, they possess
size; the root mean square charge radius
of a proton
0.84–0.87 fm or 0.84×10−15 to 0.87×10−15 m. In 2019...
- The Bohr radius
(a0 or rBohr) is a physical
constant, exactly equal
to the most probable distance between
and the electron
in a hydrogen
- A radius
gauge, also known
as a fillet
gauge, is a tool used to measure
of an object. Radius gauges require
a bright light behind
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