autoradiograph

American  

[aw-tuh-rey-dee-uh-graf, -grahf] / ˌɔ təˈreɪ di əˌgræf, -ˌgrɑf /

Also autoradiogram

noun

1. a picture revealing the presence of radioactive material, the film being laid directly on the object to be tested.

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autoradiograph British  

/ ˌɔːtəʊˈreɪdɪəˌɡrɑːf, ˌɔːtəʊˌreɪdɪəˈɡræfɪk, -ˌɡræf, ˌɔːtəʊˌreɪdɪˈɒɡrəfɪ /

noun

1. Also called: radioautograph.  a photograph showing the distribution of a radioactive substance in a specimen. The photographic plate is exposed by radiation from the specimen

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Other Word Forms

• autoradiographic adjective
• autoradiographically adverb
• autoradiography noun

Etymology

Origin of autoradiograph

First recorded in 1900–05; auto- ¹ + radiograph