English X-ray nounMeaning 1An electromagnetic wave of high energy and very short wavelength, which is able to pass through many materials opaque to light.in other languages:Czech rentgen (meaning 1)more translationsSPJmeaning 1more translationsČZJmeaning 1meaning 1more translationsУЖМmeaning 1more translationsUkrainian рентген (meaning 1)more translations