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stingray
(Encyclopedia) stingray: see ray.mermaid's purse
(Encyclopedia) mermaid's purse: see ray.torpedo , in zoology
(Encyclopedia) torpedo, fish: see ray.skate
(Encyclopedia) skate, fish: see ray.Roentgen ray
(Encyclopedia) Roentgen ray: see X ray.Röntgen ray
(Encyclopedia) Röntgen ray: see X ray.fluoroscope
(Encyclopedia) fluoroscopefluoroscopefl&oobreve;rˈəskōp [key], instrument consisting of an X-ray machine (see X ray) and a fluorescent screen that may be used by physicians to view the internal…Gamma-Ray Observatory
(Encyclopedia) Gamma-Ray Observatory: see gamma-ray astronomy.Compton Gamma-Ray Observatory
(Encyclopedia) Compton Gamma-Ray Observatory: see gamma-ray astronomy.refraction
(Encyclopedia) refraction, in physics, deflection of a wave on passing obliquely from one transparent medium into a second medium in which its speed is different, as the passage of a light ray from…