"radius" Definition

Definitions for the word "radius" from multiple English dictionaries.

1. n.
A right line drawn or extending from the center of a circle to the periphery; the semidiameter of a circle or sphere.
Source: The 1913 Webster Unabridged Dictionary, 1913
2. n.
The preaxial bone of the forearm, or brachium, corresponding to the tibia of the hind limb. See Illust. of Artiodactyla.
Source: The 1913 Webster Unabridged Dictionary, 1913
3. n.
A ray, or outer floret, of the capitulum of such plants as the sunflower and the daisy. See Ray, 2.
Source: The 1913 Webster Unabridged Dictionary, 1913
4. n.
The barbs of a perfect feather.
Source: The 1913 Webster Unabridged Dictionary, 1913
5. n.
Radiating organs, or color-markings, of the radiates.
Source: The 1913 Webster Unabridged Dictionary, 1913
6. n.
The movable limb of a sextant or other angular instrument.
Source: The 1913 Webster Unabridged Dictionary, 1913
7. n.
(pl. Radii or radiuses) 1 a straight line from the centre to the circumference of a circle or sphere. B length of this. 2 distance from a centre (within a radius of 20 miles). 3 a thicker and shorter of the two bones in the human forearm. B corresponding bone in a vertebrate''s foreleg or a bird''s wing. [latin]
Source: Oxford English Dictionary, 1884

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Additional Info
This page provides a list of definitions and meanings for "radius" from various historical English dictionaries. By displaying multiple definitions, you can compare and contrast different meanings and nuances of a word, phrase, or slang. You can also see the changes in meaning of "radius" over time by viewing the definitions from different dictionaries published at different times in history. The page also includes other information to help users expand their vocabulary and understand the context of the word.

Important Notes
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