gamma

The word “gamma” means the third letter of the Greek alphabet (Γ, γ). In plain terms, the Greek letter Γ/γ, or (in science) shorthand for gamma radiation and various technical constants.

“Gamma” is pronounced GA-muh (/ˈɡæ.mə/ in IPA).

Here is “gamma” used in a sentence: “In physics formulas, gamma often stands for a specific constant or angle.”

“Gamma” is a noun.

The word “gamma” comes from Ancient Greek. A learned borrowing from Ancient Greek gámma, the letter's name.

“Gamma” is an uncommon word in modern English.

“Gamma” has 2 distinct senses listed in this dictionary. The most common is: the third letter of the Greek alphabet (Γ, γ).

Gamma as a Greek letter (Γ, γ) is simply an alphabet character used in Greek and in scientific notation. Gamma ray is a distinct, shortened term for a high-energy form of electromagnetic radiation, unrelated in meaning beyond sharing the name.

The Greek letter gamma is commonly used as a symbol in mathematics, physics, and statistics, for example to represent specific constants, functions, or angles. Its use varies by field, but it is a standard symbol alongside other Greek letters like alpha and beta.

Gamma rays are a high-energy form of electromagnetic radiation and can be harmful to living tissue in sufficient doses because of that high energy. They are used carefully in controlled settings such as medical treatment and industrial applications specifically because of this power.