| 1. |
(noun) the length of a line segment between the center and circumference of a circle or sphere |
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Synonyms: r |
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Related Words: length, radius of curvature, semidiameter |
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| 2. |
(noun) the outer and slightly shorter of the two bones of the human forearm |
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Related Words: arm bone |
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| 3. |
(noun) a circular region whose area is indicated by the length of its radius; "they located it within a radius of 2 miles" |
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Related Words: part, region |
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| 4. |
(noun) a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere) |
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Related Words: straight line |
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| 5. |
(noun) a radial member of a wheel joining the hub to the rim |
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Synonyms: spoke |
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Related Words: support |
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