Radium-emanation
noun, Chemistry.
1.
(formerly) .
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- Radiuses
[rey-dee-uh s] /ˈreɪ di əs/ noun, plural radii [rey-dee-ahy] /ˈreɪ diˌaɪ/ (Show IPA), radiuses. 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 or radiating part. 4. a […]
- Radius
[rey-dee-uh s] /ˈreɪ di əs/ noun, plural radii [rey-dee-ahy] /ˈreɪ diˌaɪ/ (Show IPA), radiuses. 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 or radiating part. 4. a […]