roentgenologist
/ˌrʌntjəˈnɒlədʒɪst/ /ˌrʌntɡəˈnɒlədʒɪst/ /ˌrəːntɡəˈnɒlədʒɪst/(also röntgenologist)
noun
An expert or specialist in roentgenology; = radiologist.
Origin
Early 20th century; earliest use found in Physician & Surgeon. From roentgeno- + -ologist. Compare German Röntgenologe.