The spelling of the word "CXRAY" may seem unusual at first glance, but it follows the convention of medical abbreviations. The "CX" represents chest, while "RAY" refers to radiography. The pronunciation of this word is /siks reɪ/, with the "X" being pronounced as the sound of "ks". Despite its unconventional spelling, "CXRAY" is commonly used in the medical field as a shorthand for chest x-ray imaging.