orthoroentgenography
/ˌɔːθə(ʊ)ˌrʌntjəˈnɒɡrəfi/ /ˌɔːθə(ʊ)ˌrəːntjəˈnɒɡrəfi/ /ˌɔːθə(ʊ)ˌrɒntjəˈnɒɡrəfi/Medicine
noun
The production of radiographs showing the exact sizes of organs, typically using a narrow beam of X-rays perpendicular to the plate or film.
Origin
Early 20th century; earliest use found in Thomas Stedman (1853–1938). From ortho- + roentgenography.