|1.||the third letter in the Greek alphabet (Γ, γ), a consonant, transliterated as g. When double, it is transcribed and pronounced as ng|
|2.||the third highest grade or mark, as in an examination|
|3.||a unit of magnetic field strength equal to 10--5 oersted. 1 gamma is equivalent to 0.795 775 × 10--3 ampere per metre|
|4.||photog, television the numerical value of the slope of the characteristic curve of a photographic emulsion or television camera; a measure of the contrast reproduced in a photographic or television image|
|a. involving or relating to photons of very high energy: a gamma detector|
|b. relating to one of two or more allotropes or crystal structures of a solid: gamma iron|
|c. relating to one of two or more isomeric forms of a chemical compound, esp one in which a group is attached to the carbon atom next but one to the atom to which the principal group is attached|
|[C14: from Greek; related to Hebrew gīmel third letter of the Hebrew alphabet (probably: camel)]|
gamma gam·ma (gām'ə)
Symbol γ The third letter of the Greek alphabet.
The third item in a series or system of classification.
The third position from a designated carbon atom in an organic molecule at which an atom or a radical may be substituted.
A unit of magnetic field strength equal to one hundred thousandth (10-5) of an oersted.
A unit of mass equal to one millionth (10-6) of a gram.
Relating to or being the atom or radical group that is in the third position relative to the functional group of atoms in an organic molecule.
Relating to or characterizing a polypeptide chain that is one of five types of heavy chains that may be present in immunoglobins.