noun
gamma
GA-muh
noun
1
The third letter of the Greek alphabet (Γ, γ).
"In physics formulas, gamma often stands for a specific constant or angle."
2
Short for gamma ray, a high-energy form of electromagnetic radiation.
"The detector measured gamma emissions from the radioactive sample."
How to Use Gamma
Learner’s notesIn plain EnglishThe Greek letter Γ/γ, or (in science) shorthand for gamma radiation and various technical constants.
Common pairings
gamma ray
gamma radiation
gamma correction
Word Forms
gammas plural
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In physics formulas, _____ often stands for a specific constant or angle.
Etymology
A learned borrowing from Ancient Greek gámma, the letter's name.