[rey-dee-og-ruh-fee] /ˌreɪ diˈɒg rə fi/
the production of radiographs.
the production of radiographs of opaque objects for use in medicine, surgery, industry, etc
1896, from radiograph (1880), originally a device to measure sunshine; from radio-, comb. form of radiation, + -graph. As a type of image-making device, from 1896.
radiography ra·di·og·ra·phy (rā’dē-ŏg’rə-fē)
The process by which radiographs are made.
noun 1. the locus of points on the earth’s surface where rays from a transmitting antenna are tangent to the surface. The radio horizon for a fixed antenna varies with refraction by the atmosphere of radio waves.
radioimmunity ra·di·o·im·mu·ni·ty (rā’dē-ō-ĭ-myōō’nĭ-tē) n. Reduced sensitivity to radiation.
[rey-dee-oh-im-yuh-noh-as-ey, -a-sey, -i-myoo-] /ˌreɪ di oʊˌɪm yə noʊˈæs eɪ, -æˈseɪ, -ɪˌmyu-/ noun 1. a test procedure that integrates immunologic and radiolabeling techniques to measure minute quantities of a substance, as a protein, hormone, or drug, in a given sample of body fluid or tissue. /ˈreɪdɪəʊˌɪmjʊnəʊˈæseɪ/ noun 1. a sensitive immunological assay, making use of antibodies […]
radioimmunodiffusion ra·di·o·im·mu·no·dif·fu·sion (rā’dē-ō-ĭm’yə-nō-dĭ-fyōō’zhən, -ĭ-myōō’-) n. A method for the study of antigen-antibody reactions by gel diffusion using a radioisotope-labeled antigen or antibody.