gamma
noun uk/ˈɡæm.ə/ us/ˈɡæm.ə/
(LETTER)
[ C or U ] language, mathematics, science (symbol Γ, γ)（希腊语字母表的第三个字母）
the third letter of the Greek alphabet
(RADIATION)
[ U ] science 伽马（射线）
a type of radiation with a very short wavelength that passes through most solid objects
an overdose of gamma 伽马射线过量
Synonym: gamma radiation