radioautograph
/ˌreɪdioʊˈɔːtəɡræf/
noun
- An image produced on a photographic plate or film by the radiation from a radioactive substance, used especially in scientific research to study the distribution of radioactive materials.
- They developed a radioautograph to map the location of radioactive particles in the rock.
- A radioautograph of the tissue sample showed high activity in the tumor cells.
- The researcher examined the radioautograph to see where the radioactive tracer had traveled in the plant.
Synonyms