"X-rays" Natural Recordings by Native Speakers
X-rays are a type of electromagnetic radiation used to produce images of the internal structures of the body, particularly bones and joints. They are called "x" because they were discovered by accidentally by Wilhelm Conrad Röntgen in 1895 when he noticed that a fluorescent screen in his lab was glowing even though it was not exposed to any light.
A shortened form of "Christmas", referring to the annual festival commemorating the birth of Jesus Christ, observed primarily on December 25.
(X-rayed) Past tense of "x-ray". Having been seen or examined using X-rays, which are a type of radiation. This means someone or something has been checked or inspected to see inside them using this imaging technology.