The third letter (&GAMMA;, γ = Eng. G) of the Greek alphabet.
- The third letter of the Greek alphabet. See Table at alphabet.
- The third item in a series or system of classification.
- A unit of magnetic intensity equal to one hundred thousandth (10-5) of an oersted.
- A unit of mass equal to one millionth (10-6) of a gram.
- Chemistry The third position from a designated carbon atom in an organic molecule at which an atom or a radical may be substituted.