Jisho

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Noun
1. gamma rays
Wikipedia definition
2. Gamma rayGamma radiation, also known as gamma rays or hyphenated as gamma-rays and denoted as γ, is electromagnetic radiation of high frequency and therefore energy. Gamma rays are ionizing radiation and are thus biologically hazardous. Gamma rays are classically produced by the decay from high energy states of atomic nuclei, but also in many other ways.
Read “Gamma ray” on English Wikipedia
Read “ガンマ線” on Japanese Wikipedia
Read “Gamma ray” on DBpedia
Other forms
γ線 【ガンマせん】

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